The simple interest formula is I=Prt.  What does the P represent?

Consider the expression 6r - r + 8(15 - r) + 23 - 6.

Is -3r + 137 equivalent to the given expression?

An inequality is shown: 2x - 2 < 4.

What values of x make the inequality true?

A furniture store sells kits that customers use to build cabinets. Each kit contains 18 screws and a set number of boards. Jarred buys 6 of these kits and has a total of 192 screws and boards.

This equation represents the situation:

6(x + 18) = 192

What does the variable x represent in Jarred's equation?

Julie works Sunday, Monday, and Wednesday for 10 hours each day. On Tuesday, Thursday, and Friday, she works 7 hours each day. She does not work on Saturday. Her weekly total earnings are $612.

What is Julie's hourly rate of pay in dollars?

(Hint: Find how many hours she worked in total first.)

The sum of a number, n, and 8 is multiplied by -4 and the result is -12. What is the number?

The average rate of hair growth is 2.5 centimeters every 2 months. At that rate, how many months will it take to grow 22.5 centimeters of hair?

(Hint: Make a proportion)

A satellite is 18 meters wide. A model of it was built with a scale of 1 centimeter: 3 meters.

How wide is the model?

(Hint: Make a proportion)

The points on the coordinate grid represent the costs for the different numbers of peaches.

Select all statements that are true about the graph.