Use the set of ordered pairs to determine whether the relation is a function. {(−8,−25),(5,−2),(4,21),(−19,−22),( −17,−1),(−20,−5)}

Divide. reduce the answer to lowest terms.5 2/3 ÷ 3 1/9

Pyotr tchaikovsky sporting goods operates on a 45% overhead based on the selling price, which results in an overhead of $65.34 on the newest version of an air hockey game set. if the air hockey game set costs pyotr tchaikovsky sports $49.32, find the selling price, the markup, and the net profit.

What is the slope of the line that contains the points (-2,1) and (0,-3)