Which of the following sets of numbers could be the side lengths of a right triangle?

A. 3, 4, and 7

B. 9, 40, and 42

C. 8, 15, and 16

D. 20, 21, and 29

A+x+6, when a=10 and x=4

Vanessa buys a strip of 25 postage stamps. The strip of stamps is 21 7/8 inches long. How long is a strip after Vanessa uses 1 stamp

How can you share 165 by 15? (I only need the answer)

4 = (-8) - ? Find the missing value.

What is an irrational number and a rational number?

The 3 in 3.62 stands for 3

Suppose y varies with x, and y=14 when x=-4. what is the value of y when x=-6

The table below shows the relationship between the number of hours Nina worked and the number of hours Kathy worked.

Determine all of the roots (or zeros) 4x^3-4x^2-11x+6=0 if 2 is known to be one of the roots

In a small town there are two main sections called the Hill section and the Lake section. The town has a population of 4298. The number of people who live in the Hill section is 188 more than twice the number of people who live in the Lake section.