Let f = {(3,7),(4,5),(2,8)}. If f(x) = 7, find x.

x =

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?

Organic apples are on special for $1.50 per pound. does total cost vary inversely or directly with the number of pounds purchased? find the cost of 3.4 pounds of apples. a. inversely: $5.10 b. directly; $5.10 c. inversely: $2.27 d. directly; $2.27

Find the magnitude, correct to two decimal places, made by each of the following with positive direction of the x axis a) y= x the answer is 45° but i don’t know how