Combine the like terms to make a simpler expression: 8r+7-6r-5

What is the length of the missing leg? 8 in b b= 17 in

Are there any restrictions on the values x and y can adopt?

The probability that a battery will last 10 hr or more is 0.9, and the probability that it will last 15 hr or more is 0.11. Given that a battery has lasted 10 hr, find the probability that it will last 15 hr or more.

Decide whether 3 (x-2) + 5 and 3x+1 are equivalent expressions. explain how you know.

Find the least common multiple of the values shown. 6, 9, 7

A number that has three in the hundredths place

Which country had control of Mali? Italy Great Britain Spain France

Write 4.239. x10^6 in decimal form

What are the dimensions of a queen size mattress in inches?

I have a solid gold cone with a height of 8 inches. The cone has twice the volume of a sphere with a radius of 7 inches. What is the radius of my cone?