20
What is the perimeter of this rectangle?
unit 2 post test

The final cost of a sale is determined by multiplying the price on the tag by 75%. which best describes the function that represents the situation?

Satchi found a used bookstore that sells pre-owned dvds and cds. dvds cost $9 each, and cds cost $7 each. satchi can spend no more than $45.

Is the product of two rational numbers irrational or rational? first, make a hypothesis by multiplying two rational numbers. then, use variables such as x=a/b and y=c/d and the closure property of integers to prove your hypothesis.