The amount of stretch of a hanging spring versus the mass attached to the bottom of the spring was measured for different masses. The results are shown in the table.

What is the constant of proportionality between the mass and the amount of stretch?

Which equation(s) represent(s) proportional relationship(s) with a constant of proportionality equal to -2? Select ALL that apply.

Kelly works in a grocery store stocking shelves. The graph shows the money Kelly earns stocking shelves.

Which equation represents the money Kelly earns in relationship to the hours she works? Let m represent the money she earns, and h represent the number of hours she works.

The graph represents the water level of a tank after an inlet pipe is turned on.

Two students explain the meaning of points (0, 0) and (1, 2).

Kelvin says point (0, 0) means the tank is empty when the inlet pipe is turned on.

Paige says point (1, 2) means the water level of the tank goes up by 2 inches every minute.

Who is correct?

Mr. Hamilton went to Reily's Steakhouse for dinner. The table shows the relationship between the number of steaks and the cost. Which statement(s) is (are) true? Select ALL that apply.

Greeting cards (c) and gift bags (b) are the same price (p). Cassie purchased greeting cards and gift bags, the price of which can be expressed by p(c+b). Select all the expressions that also represent the price of the greeting cards and gift bags.

The formula used to convert Fahrenheit (°F) to Celsius (°C) is shown.

Which represents the Celsius conversion of 77°F?

Marshall has a rectangular garden that he wants to enclose with a fence. To calculate the perimeter, he used the expression below, where w represents the width and l represents the length of the garden.

2w+2l

Which other expression could Marshall use to calculate the perimeter?

Which equation and number line show that a number and its opposite are additive inverses?

Which letter on the number line represents 5 added to -4?

Erika has a baking company and needs to purchase 173 pounds of flour for her cakes. The Baking Goods Store sells two different-sized bags of flour. If Erika buys all of the large bags, how many small bags will she need?

Winona wants to add the numbers 1/2+ 2/3+ 3/2. She first added d 1/2+3/2, then added the result to 2/3. What reason supports why Winona can do this?

Marvin is trying to finish 1/2 his test every 2/3 hour. How long will it take Marvin to complete his whole test?

Richard is walking around her neighborhood. If he walks 1/3 mile in 1/6 hour, how fast is Richard walking, in miles per hour?

A taxi cab company charges $8.00 per ride plus $0.75 for each mile driven. Which equation models the total cost (c), in dollars, of a taxi cab ride, where m is the number of miles driven?

Holly and Ethan decide to sell some of their books at a flea market. The booth rental costs $15, and they will sell each book for $1.50. How many books will Holly and Ethan need to sell to make a profit of exactly $30?

Solve the equation for y:

2y - 25 = 19

A recipe for cookies calls for 1½ cups of chocolate chips for every 3 dozen cookies made. How many cups of chocolate chips would be needed for 7 dozen cookies?

A store is having a sale. All items for sale are discounted 15%. If the regular price of a bedspread is $45, what is the sale price?