Set up an equation to model the following word problem, It takes Grace 5 hours to the lawn and it takes her mom 3 hours. How long would it take if they mowed the lawn together?

Felicia keeps track of the changes in value of her baseball card collection. for what three situations might the changes be represented by a positive number, a negative number, and 0?

A digital gaming service offers a subscription plan with a $25 membership fee and charges a $2.50 per game rental fee.

2[3 (4^2 + 1) ] - 2^3.

What is the area of a circular plate if the circumference is 24.5 inches.

How many zeros are In the product (6x5) x103

South Middle School has 750 students. North Middle School has 13/15 times as many students as South. Does North Middle School have more or fewer than 7500 students?

8 times 51 show your work

Simplify the expression 5 (7a+3) - 42

How do you do proofs, how to understand it better

Use simple interest to find the ending balance. 26000 at 3% for 2 years