7th Grade Math Review: Expressions and Equations

Front

A submarine is submerged in the sea at a depth of -560 meters. If the submarine ascends at a rate of 18 meters per minute, how many minutes will it take the submarine to reach a depth of -272 meters?

Back

16 minutes

Front

Expressions for perimeter (p) and area (a) of a rectangle: p=20m+24 a=12m+15, p=6m+24 a=10m+12, p=3m+12 a=21m+35, p=6m+24 a=21m+35

Back

p=6m+24 a=21m+35

Front

If the triangle is an equilateral triangle, what is the value of x? Options: x = -5, x = 5, x = 23, x = 4

Back

x = -5

Front

Back

Front

As a sales employee, you are paid $75.00 per week, plus an additional $5.00 per sale. This week you have set a goal to make at least $130.00. Choose the inequality that represents the number of sales you need to make.

Back

Front

Lewis is saving his money for new clothes. Lewis will mow his neighbor's lawns and earn an allowance from his parents. He will earn $25 for his allowance and an additional $12 for each lawn that he mows. If he wants to save at least $85, how many lawns will Lewis need to mow?

Back