What is the value of this expression when a=20

Why would negative numbers not make sense for the values of the variables

Which of the following is true? |-6| < 5 |-6| < |5| |-5| < |-6| |-5| < - 6

The population of changed from 187.5 to 225. What was the percent increase?

2y+X-4=0 what is the answer

What is the slope of the line whose equation is 2y=3x=4?

The diagonal of a rectangle is 100 units. The width is 80 units. What is the area of the rectangle in square units.

Is 9m=9m the answer for 3 (m-3) = 3m-9? if not what is the answer?

During bully's first week working in China shop he breaks a vase that cost $45.89 two glasses that cost $16.25 each and a platter that cost $135.49 if he makes $5.25 an hour how many hours will we have to work to pay for the things he broke

How do I graph and find slope intercept for for x+y=0

Simplfiy 12 the square root of 3 over12 and the square root of 7?