Anyone got remind? talk to m

Ben wants to play a carnival game that costs $2. in his pocket he has 5 red tickets worth 35 cents each, and 15 blue tickets worth 10 cents each. which of the following systems of inequalities correctly represents the constraints on the variables in this problem? let represent the red tickets and b represent the blue tickets.

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?

The parabola y = x² - 4 opens: a.) up b.) down c.) right d.) left