Find x if x+y=z y-z=x

It took a skydiver 15 seconds to drop 450 feet. What is the rate (in feet per/second) of the skydiver's drop?

The length of a base of a rectangular prism is twice the width of the base. the height of the prism is 3 times the width of a base. the surface area is 792 square centimeters. what are the dimensions of the prism?

If you end up with 2=-2 when solving a linear equation in one variable, what is the equation called and what is the solution? List two ways to write the answer.

Last night Davis did homework for 5/6 of an hour. He spent 1/3 of that time working on math. Which model shows the fraction of an hour he worked on math?

When X=5 and y=10 in the formula A = xy-20. Find A

Wallace received a 28 percent discount on an item priced at $275. What is the total price that he paid for it?

Write 8/3 as a decimal

What is 5.6 as a fraction?

How many times does 12 go into 80 the times you have done 12 into 80 is when you count to 12 or 80 or do 80 or 12 jumping jacts solution that is how many times you or another kid does 12 into 80.?

Simplify the expression (-6+i) / (-5+i)