There are 11 books on a shelf. 3 of these books are new. The rest of them are used.

What is the name used to describe a graph where for some value of x, there exists 2 or more different values of y?

How to solve a simultaneous equation involved with fractions?

Your company withheld $4,463 from your paycheck for taxes. you received a $713 tax refund. select the best answer round to the nearest 100 to estimate how much you paid in taxes.