this is math answer only if you know

Answer:

Its the second one

Lacy saves 45% of her paycheck. If Lacy's paycheck is $680, how much does she save?

Please help me I will give you the brain thing with extra points, please help me. 3/5

Please help

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first question:

Which mathematical property is demonstrated?

5⋅7⋅4=5⋅4⋅7


associative property of addition

commutative property of addition

commutative property of multiplication

associative property of multiplication

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2nd question:

Which expressions are equivalent to 4⋅(7⋅y)?

(choose all correct answers)

1. (7⋅y)⋅4

2. 4⋅7+4⋅y

3. (4⋅7)⋅y

4. 28y

5. 4⋅7⋅4⋅y

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Last question
is 3(a−b) and 3a−3b Equivalent? yes/no


is 2a(2+b) and 4ab Equivalent? Yes/no


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Khan Academy PLEASE SOMEONE HELP FASTTT!!!!

5 The smallest angle of a triangle, in degrees, is p.
The second angle is 4 times the smallest angle.
The third angle is 5 times the smallest angle.
a Write an equation for the angles in the triangle in terms of p.

b Find the size of the largest angle in the triangle.

b in paticular

What is the final price of an item that cost $14 with a 75% discount

I need help it's due 1:25 (eastern time

A computer manufacturer built a new facility for assembling computers. There were construction and new equipment costs. The company paid for these costs and made combined profits of $10 million after 4 years, as shown in the graph:

There is a graph of a line with Years on the x axis and Profits in millions on the y axis that passes through 0, negative 20 and 4, 10.

Which equation most closely represents the line depicted in the graph?

f(x) = −10x + 4
f of x equals fifteen halves times x minus 20
f(x) = 10x − 4
f of x equals two fifteenths times x minus 20

What is the value for "m" that makes the equation true?

9 =[tex]\frac{3}{8}[/tex]m

m = ?

Mr. Sonny's science class is calculating the average number of blinks per minute. Jan blinks 126 times in 7 minutes. What is her blinking rate, in blinks per minute?

Simplify 6(x + y) + (x - y).

6x
7x
7x + 6y
7x + 5y

William left a 20% tip on a $15.80 lunch bill. How much did he pay for lunch?

Will Award Brainliest!!!

Which cube is a unit cube?
A cube that is 7 feet long, 7 feet tall, and 7 feet high
B a cube that is 1 meter long, 1 meter wide, and 1 meter high
C a cube that is 5 inches long, 5 inches wide, and 5 inches high
D a cube that is 15 centimeters long, 15 centimeters wide, and 15 centimeters high

I will give brainilist!

So, this is hard for me ;(( But can you guys help me???

Kristi had $3,250 in her bank account. Currently, she has $2,730 in her account. What is the approximate percent of decrease in her account?

i will give brainliest :)

Part 2#
Practice (need help with 1 2 and 3)

HELP PLZ I WILL GIVE BRAINLIEST!!! Write the prime factorization of 675 using exponents.

whats 1/4x1/4x1/4x1/4 please

Please help me I will give you the brain thing with extra points, please help me. 1/5

what is an example of a negative number and a non-example of a negative number? plz this is for homework

PLEASE HELP ME ASAP!!

Fifty percent of the area of this rectangle is shaded. What is the area of the shaded region? Explain your thinking.

Sean bought his house at $200,000 two years ago. He is now
selling it for $267,000. What is the percent markup?

A) 2% increase
B) 25.1% increase
C) 33.5% increase
D) 67% increase

Need some help here please

A group of 80 students was asked to share how they get to school most of the time. The following circle graph represents their answers to the question. How many of the students walk to school most days?

0
24
20
25

Can someone help me on this question? Harry and Tim both made New Years resolutions. Harry made 5 more resolutions than Tim. Together they made 13 resolutions. How many resolutions did Harry make?

xxx yyy
5.85.85, point, 8 5.85.85, point, 8
7.57.57, point, 5 7.57.57, point, 5
11.211.211, point, 2 11.211.211, point, 2
Find the constant of proportionality (r)(r)left parenthesis, r, right parenthesis in the equation y=rxy=rxy, equals, r, x.
r =r=r, equals

AAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAA this is extra cedit in my class and i need it, can anyone help me out??

Select all that apply.

Green pencils are priced at $1.28 for 4. Blue pencils are priced at $5.52 for 24. Which of the following statements are true?

The unit rate for green pencils is $0.32
The unit rate for blue pencils is $0.28
The green pencils are priced less per pencil
The blue pencils are priced less per pencil.

need an expert verified answer