Question is in the picture please help.

Answer: a

Step-by-step explanation: its getting rid of water and the original is 40

I will write to explain how to find the rate from the problem provided and write in d=rt.

A dolphin can travel 30 kilometers every two hours. Determine the constant rate of change that the dolphin travels and write in d=rt form.

Please help me with this

A proportional relationship is formed when y = 16 and x = 4. What is the value of y when x = 2?

An employee named Bolarry in a restaurant makes $22.50 an hour. He gets a 12.5% raise (Markup). What does this man make for a weekly salary, if he works 6 hours a day, for 6 days a week?

Pat spent $25.89 for a new book bag, $3.15 for a notebook, and $4.59 for a new pack of pens. About how much did he spend?
$32.00
$33.63
$30
$34.00

slope and y-intercept from graphs, I don't know if I am right and I don't know how to finish it even tho I have noted, can someone help me, can someone please answer this question, thank you!

Tyler’s grocery receipt shows a charge of $0.25 for every apple he purchased.

Let g represent the amount on the grocery receipt.
Let a represent the number of apples purchased.

Which is the dependent variable?
the amount of the grocery bill
the cost of an apple
the weight of the apples
the number of apples purchased

can someone help me out? :P

Taka bought a new coat and a pair of new shoes. He spent no more than $122. Which inequality best represents the price of the shoes y if x represents the cost of the coat?

y ≤ 122 – x
122 ≤ y + x
y ≤ 122 + x
y – x ≥ 122

15 points because I need it quickly!! I will give brainliest to first answer
Miss Holman gave a 90-cent tip to a waitress for serving a meal costing $6.00, before tax. a) What percent of the bill was her tip? b) If tax was 6.25%, what was the total bill including tip?

help meeeeeee number 4

1.y = mx is a _____________ variation
2.In the equation y = mx, m represents the _______

Somebody help please

In which choice do all three points lie on the same line?

A) (0, 0), (-7, 0), (0, -7)
B) (1, 3), (2, 8), (4, 64)
C) (0, 2), (–1, -1), (1, 5)
D) (6, 3), (2, 1), (6, –3)

Complete the statements based on the diagram.

mAngleA = 27° because it is
to the 27° angle.
The measure of Angle
can be found because it is a vertical angle to the 93° angle.
The sum of the measures of angles A, B, and C is
degrees.

i would be great if you could explain it!!!

A proportional relationship is formed when y = 16 and x = 4. What is the value of y when x = 2? The relationship is assumed to be directly.

slope and y-intercept from graphs

I am doing rate of change, question is down below.
I have two questions.Both down below.

Just the only visible *questions*

A baker makes 5 apple pies for every 3 blueberry pies. Last week the baker made 15 blueberry pies. How many apple pies did the baker make last week?


Apple Pies Blueberry Pies


5 3

? 15

Your answers:


3



15



25



30

Match each expression with the equivalent expanded expression.

given 2x(y+z)^2, which best explains the expression

A. The factor 2x depends on (y+z)^2

B. The factor (y+z)^2 depends on the 2x

C. The factors 2x and (y+z)^2 are dependant of each othwr

D. The factors 2x and (y+z)^2 are indepdent of each other

Juan's cat weighed 3.2 pounds last year. The cat grew and now weighs 7.1 pounds. Solve the equation 3.2 + w = 7.1 to find out how much weight Juan's cat gained.

Joe and Mark spent so much time practicing soccer last month that they figured out how many minutes they actually spent. The total number of minutes was 1,352. About how many minutes is this, rounded to the nearest hundred?
1,400 minutes
1,350 minutes
1,300 minutes
1,000 minutes

1) slope and y-intercept from tables

A dance student wants to know the favorite type of dance class for students at The Dance Academy. She surveys each student in her ballet class. In which way could the results of her survey be most improved? She could sample an equal number of students in each type of dance class. She could sample a proportional number of students in each type of dance class. She could sample one student in each type of dance class. She could sample one teacher from each type of dance class.

someone help your sister out!!!!!you don't have to answer it all, even one can helppp thank you!!!
1.Sandra has $60 in a savings account. The interest rate is 5%, compounded annually.
To the nearest cent, how much interest will she earn in 2 years?

2. Ernesto has $70 in a savings account that earns 10% interest, compounded annually.To the nearest cent, how much will he have in 2 years?

3.Emmet deposited $90 in a savings account earning 10% interest, compounded annually.To the nearest cent, how much interest will he earn in 3 years?

1.Find the sales tax on a dresser for ​$251.99 at 4​% sales tax.
The sales tax on a dresser for ​$251.99 is ​$_________________

2. Half a bag of flower seeds can be used to cover an area of 150 square meters. How many square meters can be covered with 14 bags of flower​ seeds?
___________ square meters can be covered with 14 bags of flower seeds.

Jill wants to make melonade for her family reunion. She needs enough lemonade for 60 people to each have 1 cup. How many gallons of lemonade does Jill need to make?