What is the range of the following relation? 1.)all real numbers 2.) x ≤ 0 3.) y ≤ 0

How far is x from 5 on a number line?

Acircle has a circumference of 7.850 units. what is its radius?

I'm at a bookstore with $\$35$ in my pocket and a $20\%$-off coupon. what is the cost of the most expensive book i can buy with my money and the coupon? (assume that there are books of every possible price in the bookstore. it's a large bookstore! )