What is the end behavior of the polynomial function?
Drag the choices in to the boxes to correctly describe the end behavior of the function.

What Is The End Behavior Of The Polynomial Function?Drag The Choices In To The Boxes To Correctly Describe

Answers

Answer 1

The end behaviours of the functions are

f(x) = 6x⁹ - 6x⁴ - 6: As x ⇒ +∝, f(x) ⇒ +∝ and as x ⇒ -∝, f(x) ⇒ -∝f(x) = -3x⁴ - 6x + 4x - 5: As x ⇒ +∝, f(x) ⇒ -∝ and as x ⇒ -∝, f(x) ⇒ -∝

How to determine the end behaviours of the functions?

Function 1

The equation of the function is given as

f(x) = 6x⁹ - 6x⁴ - 6

Calculate f(∝) and f(-∝)

So, we have

f(∝) = 6(∝)⁹ - 6(∝)⁴ - 6

Evaluate

f(∝) = ∝ - ∝ - 6

So, we have

f(∝) = ∝

Also, we have

f(-∝) = 6(-∝)⁹ - 6(-∝)⁴ - 6

Evaluate

f(-∝) = -∝ - ∝ - 6

So, we have

f(∝) = -∝

This means that

As x ⇒ +∝, f(x) ⇒ +∝ and as x ⇒ -∝, f(x) ⇒ -∝

Function 2

The equation of the function is given as

f(x) = -3x⁴ - 6x + 4x - 5

Evaluate the like terms

f(x) = -3x⁴ - 2x - 5

Calculate f(∝) and f(-∝)

So, we have

f(∝) = -3(∝)⁴ - 2(∝) - 5

Evaluate

f(∝) = -∝ - ∝ - 5

So, we have

f(∝) = -∝

Also, we have

f(-∝) = -3(-∝)⁴ - 2(-∝) - 5

Evaluate

f(∝) = -∝ + ∝ - 5

So, we have

f(∝) = -∝

This means that

As x ⇒ +∝, f(x) ⇒ -∝ and as x ⇒ -∝, f(x) ⇒ -∝

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Related Questions

Add.
Your answer should be an expanded polynomial in
standard form.
(-4b³ + b − 1) + (6b - 6) =

Answers

Answer:

-4b^3 + 7b - 7

Step-by-step explanation:

We have to look at terms which look like each other, for example 1b and 6b.

We can add and subtract terms which have the same degree of b.

In this question, we can safely add -1 and -6, and also b and 6b,

which gives us (-4b^3 + b - 1 ) + 6b - 6) = -4b^3 + (1+6)b +( -1 - 6) = -4b^3 + 7b - 7

The three remaining terms all have different degrees of b's (respectively 3, 1, 0), so we can't add those up any further, which tells us that this is the right answer.

Answer:

Step-by-step explanation:

What is the domain and range? What does it mean in terms of the graph?

Answers

The domain of the graph is [0,14] and the range of the graph is [0, 7]

In this question, we have been given a graph of height of a falling object.

In this graph, x-axis represents the time in seconds and y-axis represents the height in meters.

We know that, the domain of a graph consists of all the input values which are on the x-axis and the range is the set of possible output values, which are shown on the y-axis.

In this graph we can see that the input (time) takes the values between [0, 14] and the output (height) has values in the interval [0, 7]

Therefore, the domain of the graph is [0,14] and the range of the graph is [0, 7]

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The average of three test scores of the first two scores are 77 and 89

Answers

Answer:

A = (166+s)/3

Step-by-step explanation:

Average test-score:

Sum of all scores divided by the number of tests.

In this question:

First two tests: 77 and 89.

Third test: s

Number of tests: 3

Average:

Finding the sum: 77 + 89 + s = 166 + s

The average is:

A = (166+s)/3

PLS HELP WILL MARK BRAINLIEST

Answers

Answer:

l = [tex]\frac{P-2w}{2}[/tex]

Step-by-step explanation:

P = 2l + 2w ( subtract 2w from both sides )

P - 2w = 2l ( isolate l by dividing both sides by 2 )

[tex]\frac{P-2w}{2}[/tex] = l

O EXPONENTIAL AND LOGARITHMIC FUNCTIONSExpanding a logarithmic expression: Problem type 1

Answers

Given:

a logarithm is given as

[tex]log(z^5x)[/tex]

Find:

we have to expand the given logarithm expressionusing properties of logarithm.

Explanation:

we know from the properties of logarithm that

[tex]\begin{gathered} log(m^n)=nlog(m) \\ and \\ log(mn)=log(m)+log(n) \end{gathered}[/tex]

we will use above properties to expand the given logarithm expression as follows

[tex]log(z^5x)=logz^5+logx=5logz+logx[/tex]

Therefore, the expansion of the given logarithm is 5 log(z)+ log(x)

The perimeter of a rectangle is equal to 138. The width of the rectangle is 5 less than the length . What is the area the rectangle?

Answers

Step 1: Concept

Perimeter of a rectangle = 2( L + W)

L = length

W = width

Area of a rectangle = Lenght x Width

Step 2:

Given data

The perimeter of a rectangle = 138

Length L = m

Width W = m - 5

Step 3:

[tex]\begin{gathered} \text{Use the perimeter of the rectangle to find the length(L) and width(W).} \\ \text{Perimeter = 2(L + W)} \\ 138\text{ = 2(m + m - 5)} \\ 138\text{ = 2m + 2m - 10} \\ 138\text{ = 4m - 10} \\ \text{Collect similar terms} \\ 138\text{ + 10 = 4m} \\ 148\text{ = 4m} \\ m\text{ = }\frac{148}{4}\text{ = 37} \end{gathered}[/tex]

Step 4:

Length = 37

Width = 37 - 5 = 32

Step 5:

Find the area

Area = length x width

Area = 37 x 32

Area = 1184

Final answer

Area of the rectangle = 1184

line segment QR is parallel to line segment ST. x = ___ m

Answers

In order to find the value of x, consider that triangles PQR and PST are similar. Then, you have the following equivalence:

PQ/PS = PR/PT

Where:

PQ = x

PS = 45m

PR = 16m

PT = 36m

replace the previous values of the length of the segments and solve for x, just as follow:

x/45 = 16/36 multiply by 45 both sides

x = (16/36)45

x = 20

Hence, the value of x is x = 20

Writing an equation of a hyperbola give me the Foci and vertices

Answers

Given the Foci of the hyperbola:

[tex]\begin{gathered} (-1,-9) \\ (-1,9) \end{gathered}[/tex]

And the Vertices:

[tex]\begin{gathered} (-1,-3) \\ (-1,3) \end{gathered}[/tex]

You can plot the Foci on a Coordinate Plane:

Notice that the blue line represents the Vertical Transverse Axis. Then, the equation has this form:

[tex]\frac{(y-k)^2}{a^2}-\frac{(x-h)^2}{b^2}=1[/tex]

You need to find the Center using the Midpoint Formula, in order to find the Midpoint between the Foci and the Midpoint between the vertices:

[tex]M=(\frac{x_1+x_2}{2},\frac{y_1+y_2}{2})[/tex]

- For the Foci:

[tex]M=(\frac{-1-1}{2},\frac{-9+9}{2})=(-1,0)[/tex]

- For the Vertices:

[tex]M=(\frac{-1-1}{2},\frac{-3+3}{2})=(-1,0)[/tex]

Therefore:

[tex]\begin{gathered} h=-1 \\ k=0 \end{gathered}[/tex]

Now you need to find "a". This is the distance from the center to the vertices:

[tex]a=3-0=3[/tex]

Find "b" with this formula:

[tex]b^2=c^2-a^2[/tex]

Knowing that "c" is the distance from the Foci to the center:

[tex]c=9[/tex]

You get:

[tex]b^2=9^2-3^2=72[/tex]

Therefore, you can write this equation:

[tex]\frac{y^2}{9}-\frac{(x+1)^2}{72}=1[/tex]

Hence, the answer is:

[tex]\frac{y^2}{9}-\frac{(x+1)^2}{72}=1[/tex]

You plan to work for 40 years and then retire using a 25-year annuity. You want to arrange a retirement income of $3500 per month. You have access to an account that pays an APR of 4.8% compounded monthly. This requires a nest egg of $610,823.48.

What monthly deposits are required to achieve the desired monthly yield at retirement? (Round your answer to the nearest cent.)

Answers

The monthly deposit that is required to achieve the desired monthly yield at retirement is $1,056.71.

What is the monthly deposit?

An annuity is a series of payment that is made over a period of time. The annuity in this question would last for 25 years. When an investment is compounded monthly, it means that the investment would grow at an exponential rate once in a month.

The formula that would be used to determine the monthly payment is:

Monthly payment = future value / annuity factor

Annuity factor = {[(1+r)^n] - 1} / r

Where:

r  = monthly interest rate = 4.8% / 12 = 0.4%n = number of periods = number of compounding x number of years: 12 x 25 = 300

$610,823.48 ÷ [{(1.004^300) - 1} / 0.004] = $1,056.71

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Consider the steps James uses to solve the equation 2(x – 10) = 24. Equation: 2(x - 10) = 24 Step 1: 2x - 10 = 24 Step 2: 2x = 34 Step 3: x = 17 In which step, if any, did James make an error? A. Step 1 B. Step 2 C. Step 3 D. James did not make an error.

Answers

In the steps that James uses to solve the given equation he made a mistake:

We have:

[tex]2\cdot(x-10)=24\Rightarrow2x-20=24[/tex]

James needed to apply the distributive property in the first step. However, he did not.

Therefore, James made an error in Step 1, that is, option A.

Match the two lines that are parallel and the two lines that are perpendicular. Then, match the equations.

Answers

Step-by-step explanation:

A and C are parallel. equations G and E.

B and D are perpendicular (standing at a right angle = 90° to each other). equations F and H.

parallel means that both lines have the same slope.

the slope is the factor a of x when the equations look like

y = ax + b (slope-intercept form)

or

y - y1 = a(x - x1) (point-slope form)

"a" being the slope, b being the y-intercept (the y- value when x = 0), (x1. y1) being a point on the line.

the slope is specified as ratio (y coordinate difference / x coordinate difference) when going from one point to another.

the perpendicular slope to y/x is the upside down ratio and the sign is flipped.

e.g. the perpendicular slope to 5/4 is -4/5.

equation E is already in point-slope form.

the slope is 2/3, and the point (-9, -2) must be on the line.

only one line goes through the point (-9, -2) : C.

equation H is already in slope-intercept form.

the slope is 3/2, and the y-intercept is 5, meaning the line goes through the point (0, 5).

only one line goes through that point : D

equation F

2x + 3y = -21

3y = -2x -21

y = (-2/3)×x - 7

the slope is -2/3, which is perpendicular to 3/2 (equation H).

the y-intercept is -7, meaning the line goes through the point (0, -7).

only one line goes through that point : B

equation G

-2x + 3y = -6

3y = 2x - 6

y = (2/3)×x - 2

the slope is 2/3 (parallel to equation E).

the y-intercept is -2, meaning the line goes through the point (0, -2).

only one line goes through that point : A

The Sugar Sweet Company is going to transport its sugar to market. It will cost $5500 to rent trucks plus $125 for each ton of sugar transported. The total cost,
C (in dollars), for transporting n tons is given by the following.

C=125n+5500

Answer the following questions.
(a) What is the total cost of transporting 11 tons?

(b) If the total cost is $8125, how many tons is the company transporting?

Answers

(A) All you have to do is plug 11 in for n since n is tons transported
C=125*11+5500
C=1375+5500
C=$6875

(B) For this part you follow the same concept as part a just change what and where you are substituting since the question gives you total cost C you plus 8125 in for C and solve for n

C=125n+5500
8125=125n+5500 (subtract 5500 from BOTH sides)

2625=125n (divide BOTH sides by 125 to get n alone)

n= 21 tons

Using the graph below, write two ordered pairs to show that the equation y = 15x represents the data.

Answers

By using the points (2, 30) and (4, 60) that we can see on the graph, we can see that the linear equation that models the data is:

y = 15*x

How to find the equation that models the data?

A general linear equation is of the form:

y = a*x + b

Where a is the slope and b is the y-intercept.

If we know that the line passes through two points (x₁, y₁) and (x₂, y₂), the slope is given by:

a = (y₂ - y₁)/(x₂ - x₁)

In this case we can use two points that appear on the graph, I will use the first two ones:

(2, 30) and (4, 60)

Then the slope is:

a = (60 - 30)/(4 - 2) = 30/2 = 15

Thus, the line is of the form:

y = 15*x + b

To find the value of b we use the point (2, 30), replacing these values we get:

30 = 15*2 + b

30 = 30 + b

30 - 30 = b

0 = b

We conclude that the linear equation that models the data is y = 15*x

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Determine the perimeter of this rectangle. » 526 m 78 m P = I on m m

Answers

1) Since the Perimeter (2P) is the sum of all sides of a rectangle. And this rectangle has 526m w and 78 m. And also, a rectangle is a parallelogram that has the property of having a pair of congruent sides. Then

2) Then we can state:

2p = 526 +526+78+78

2p =1052+156

2p= 1208 meters

Please help again please help me

Answers

Answer:

-0.5,-1/5,0.7,3/4 its correct

Answer:

-0.5, -1/5, 0.7, 3/4

Step-by-step explanation:

We can convert the fractions into decimals.

-1/5 = -0.2

3/4 = 0.75

-0.5 is the least, then -1/5, then 0.7, and lastly 3/4.

Hope this helps!

P.S, Can I get a brainliest if this is right? Thanks!

Question 2 George is 5 feet 8 inches tall. How many inches tall is he? (1foot = 12 inches) 58 inches O 60 inches O 68 inches O 12 inches ​

Answers

Answer:

68

Step-by-step explanation:

1 foot = 12 inches

Multiply 5 by 12 inches

5 feet = 60 inches

Add the extra 8 inches

60 + 8 = 68 inches

George is 68 inches tall.

Answer:

Step-by-step explanation:

George is 5 feet and 1 foot equals 12 inches, so do 12x5 + the actual 8 inches

12x5=60

60+8=68 inches total

You purchase six municipal bonds on the first of the year. The current market value price is 103. The commission charge is $5 per bond. What is the cost of the purchasing these bonds?
a.
$6210
b.
$633
c.
$648
d.
$3090

Answers

Answer:

C

Step-by-step explanation:

(103 + 5) * 6 = 648

Answer:
Letter C

Explanation:
Why letter C?
You purchased 6 bonds for the price of 103 dollars the commission is 5 dollars for each, therefore we will add 103 + 5 and multiply by 6
(103 + 5) 6
(108)6
648
Or
6(103)+6(5)
618+30
648

If 2(x-8)= - 4x+2 , then x=

A) -7
B) -5
C) 3
D) 9

Answers

Answer:

C) 3

Step-by-step explanation:

2(x - 8) = -4x + 2

2x - 16 = -4x + 2

6x - 16 = 2

6x = 18

x = 3

Help me please!! I don’t understand

Answers

Answer:

-3

Step-by-step explanation:

To find the answer, you need to use the formula y2-y1/x2-x1.

2-17/2-(-3)

2-17=-15

2-(-3)=5

-15/5=

-3

Hope this helps :D

What is a valid conclusion that can be reached by reading the graph?A.Joel and Nancy own 62 cards when you add their cards together.B.Joel and Nancy own more cards than Jim when you add their cards together.C.Nancy and Ricardo own more cards than Jim when you add their cards together.D.Tina owns 350 cards.

Answers

Answer:

C. Nancy and Ricardo own more cards than Jim when you add their cards together.

Explanation:

Taking into account the graph, we can conclude the following:

Nancy and Ricardo own more cards than Jim when you add their cards together

This is because, Nancy and Ricardo have bars with heights that are greater than 40, when we add their cards, we will get a bar with a height greater than 80, and 80 is greater than the height of Jim's bar.

Therefore, the answer is

C. Nancy and Ricardo own more cards than Jim when you add their cards together.

classify the triangle with the given side lengths as acute, right, obtuse, or not a triangle 11, 13, 25

Answers

Notice that if a = 11 and b = 13 are two sides of the triangle, then:

[tex]a+b=11+13=24[/tex]

since the larger side measures 25 units, then we cannot write a triangle with the given measures, since a + b cannot be less than the larger side. Therefore, it is not a triangle

E Match the corresponding congruent parts.(G.6)(6 point) DE DF / A Lc ZB EF

Answers

By definition:

Congruent figures in geometry are identical in shape and size.

This means that two figures are congruent with each other even if they are rotated, flipped or trasnlated as long as they have the identical shape and size.

For example, look at the following picture

We notice that the triangle has the same size and shaped, hence they are congruent. Furthermore we can say that the side BC is congruent to the side ZY and so on.

find the rate of change of its elevation when x=22

Answers

To find the rate of change of its elevation we can derive the position function:

[tex]y=-\frac{1}{110}x^2+127[/tex][tex]y^{\prime}=\frac{d(y)}{dx}=d(-\frac{1}{110}x^2+127)/d(x)[/tex][tex]y^{\prime}=\frac{-1}{55}x[/tex]

The rate of change of its elvation when x=22 is

[tex]\frac{-1}{55}\cdot22=\frac{-22}{55}=\frac{-2}{5}=-0.4[/tex]

That represents the slope of the tangent line to the function at x=22.

10. Sydney wants to buy soda and juice for her birthday party. A bottle of soda costs $1.99 each and a jug of juice costs $2.49 each. If Sydney has $30, what equation could be used to find how many soda bottles and how many jugs of juice she can purchase? let x = let y = Equation

Answers

ANSWER

1.99x + 2.49y = 30

EXPLANATION

A bottle of soda costs $1.99 each and a jug of juice costs $2.49.

Sydney has $30.

Let x be the number of bottles of soda she can get.

Let y be the number of jugs of juice that she can buy.

This means that the cost of x bottles of soda is:

1.99 * x = $1.99x

This also means that the cost of y jugs of juice is:

2.49 * y = $2.49y

The total cost must be equal to $30, so this means that the total cost of bottles of soda and jugs of juice she can purchase is:

1.99x + 2.49y = 30

That is the equation that represents it.

At a local restaurant, the amount of time that customers have to wait for their food isnormally distributed with a mean of 12 minutes and a standard deviation of 2minutes. Using the empirical rule, determine the interval of minutes that the middle99.7% of customers have to wait.

Answers

By the empirical rule 99.7% of the customers fall within the interval bounded by

[tex]\bar{x}-3\sigma\text{ and }\bar{x}+3\sigma[/tex]

In this case,

[tex]\begin{gathered} \bar{x}=12\min \text{ and} \\ \sigma=2\min \end{gathered}[/tex]

Therefore,

[tex]\begin{gathered} \bar{x}-3\sigma=12-3(2)=12-6=6\min s \\ \bar{x}+3\sigma=12+3(2)=12+6=18\min s \end{gathered}[/tex]

Hence, the interval of minutes that the middle 99.7% of customers have to wait is given by

(6mins, 18mins)

CAN SOMEONE PLS HELP ME WITH MY PRACTICE MATH QUESTIONS!!!

Answers

some fhdf

djfsirsisdsjfsd

fdfjjjf9d094--djjf9939=3030395944./445335

hi for the second qn i’m not sure if the vol is referring to the entire object or js the pyramid

2+4-2÷3 please help

Answers

[tex]\begin{gathered} 2+4-\frac{2}{3} \\ 6-\frac{2}{3} \end{gathered}[/tex]

A easy way to operate fractions is convert the integer in a fraction, to operate fractions with the same denominator:

[tex]6\cdot\frac{3}{3}-\frac{2}{3}=\frac{18}{3}-\frac{2}{3}=\frac{16}{3}[/tex]

i think the answer to the question is 5.3

How do I calculate the shaded area of this shape ?

Answers

SOLUTION:

We are to calculate the shaded area of the given shape.

CONCEPT:

This is a triangle that a rectangle was cut out from.

To calculate the shaded area of the given shape, we are to find the area of the triangle and then subtract the area of the recangle that was cut out.

[tex]\begin{gathered} \text{Area of Triangle:} \\ A\text{ = }\frac{1}{2}\text{ base }\times\text{ height} \\ \\ A\text{ = }\frac{1}{2}\text{ }\times\text{ 6m }\times7m\text{ } \\ \\ A=21m^2 \end{gathered}[/tex][tex]\begin{gathered} \text{Area of Rectangle:} \\ A=L\text{ }\times\text{ W } \\ A\text{ = 4m }\times\text{ 2m} \\ A=8m^2 \end{gathered}[/tex]

The shaded area = Area of the triangle - Area of the rectangle

[tex]\begin{gathered} \text{Shaded area = 21 m}^2-8m^2 \\ \text{Shaded area = 13 m}^2 \end{gathered}[/tex]

What is the product?
1/2•(12 64)
(78 30)

Answers

316/3915. Reduce one and after reduce second

30 60 90° triangles find the measure of the missing two sides for each figure below leave answer and rationalize and simple light form

Answers

Given : 30 60 90 triangle as shown in the following figure :

As shown : the hypotenuse of the triangle = 28√5

The side length opposite to the angle 30 =

[tex]\frac{1}{2}\cdot28\sqrt[]{5}=14\sqrt[]{5}[/tex]

The side length opposite to the angle 60 =

[tex]\frac{\sqrt[]{3}}{2}\cdot28\sqrt[]{5}=\frac{28}{2}\sqrt[]{3\cdot5}=14\sqrt[]{15}[/tex]

Other Questions
Research three social problems to discover what organizations, resources, or laws are in place now to address these social problems. Part 1 Complete the following chart using information from the lesson. Social Problems and Solutions Chart Social Problem of the Industrial Age Why was there a need for reform for this social problem? How was the problem addressed during the Industrial Age?**Btw, I chose child labor, wage inequality, and abusive working hours* "There are five different types of nucleotide bases found in living things. Which is an accurate comparison of the bases found in birds and the bases found in flowers?"A Birds and flowers have different arrangements of the bases.B Birds have fewer bases in their cells than flowers do.C Birds and flowers have different types of bases.D Birds and flowers have the same arrangement of the bases. A shopper pushes a grocery cart with a force F of 50 N downward and to the right, as shown in the figure below. The anglethe handle makes with the horizontal is 37, and the cart is moved 14 m. Find the work W done, in joules (1).Ed Cigarette smoke causes damage to epithelial cells in the human trachea. What is the most likely effect of this damage?A.A decrease in enzyme production in the airwayB.An increase in debris and bacteria entering the lungsC.A decrease in the speed of nerve impulses in the airwayD.An increase in oxygen absorption in the lungs X Consider lines L and M on the graph below. Which of the following BEST describes the slope of these two lines? y L . 10 9 8 7 6 5 3 2 1 X 0 1 2 3 4 5 6 7 8 9 10 L has a greater slope than M. Land M have the same slope. M has a greater slope than L. IN YOUR OWN WORDSHow did the Phoenicians willingness to travel far for trade eventually lead to the spread of their civilization? and pls dont get it from the internet a property is financed with a 75% loan at 11.5% over 25 years. the property produces an atirr on total investment of 7.34% based on a tax rate of 31%. what can be said about the leverage associated with the property? jenny believes that spending one hour studying for economics will increase her grade by 20 points. studying for a second hour will increase her grade by 10 points. she also believes that studying for an hour for history will increase her grade by 15 points, but spending a second hour will increase her grade by only 5 points. jenny has two hours to study. if jenny wants to maximize her scores, what should she do? please help me with my homework 5. Identify each of the following as element, compound, homogeneousmixture, or heterogeneous mixture. Explain your reasoning for each.a. milkb. iron nailc. glassd. sugare. bottled spring waterf. distilled waterg. airh. alloy bicycle framei. propanei.baking soda Keenan travels 14 miles per hour. How long does it take him to travel 70 miles? Your answer should be in hours, accurate to at least thenearest tenth. write down in terms of n, an expression for the nth term of the following sequences -7,-12,-17,-22,-27 which creative common license type allows others to use and build upon work non- commercially, provided that they credit the original author and maintain the same licensing. a client diagnosed with major depression and substance use disorder has an altered sleep pattern and demands a psychiatrist prescribe a sedative. which rationale explains why the nurse should encourage the client to first try nonpharmacological interventions? is the amount of seawater water flowing in the geostrophic currents of the world ocean approximately more, less, or equal to the total amount of water flowing in all the earth's fresh water rivers? a nurse is preparing to administer a prescribed dose of medication to a preschool-aged child. assessment reveals that the child is underweight. which action would the nurse do next? 5. What is a labour chowk? What is its importance? The following passage (paragraphs 21-23) adds to the development of the story mainly by .We are very miserable, said Darzee. One of our babies fell out of the nest yesterday and Nag ate him.H'm! said Rikki-tikki, that is very sadbut I am a stranger here. Who is Nag?Darzee and his wife only cowered down in the nest without answering, for from the thick grass at the foot of the bush there came a low hissa horrid cold sound that made Rikki-tikki jump back two clear feet. solve the equations and verify the answer 4y+3z=19 -x+z=27 x-3y=-19Solve the system of equations Danielle earns $36.80 for 4 hours of yardwork. How much does Danielle earn for 10 hours of yardwork