If PQRS is a square,
and QS - 7x - 3, find PR.

Ben bowled 124 and 188 in his first two games. what must he bowl in his third game to have an average of at least 160?

Two customers went to a post office. first customer paid $12 for 14 and 5 envelopes the second paid 24.80 for 10 postcards and 15 envelopes. what is cost of each envelope?

What is the range of the relation in the table below? x y –2 0 –1 2 0 4 1 2 2 0