2.4x- 9.1 +12.5 = -39.44solve for 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?

An air conditioning system can circulate 350 cubic feet of air per minute. how many cubic yards of air can it circulate per minute?

Me, prove a quadrilateral with vertices g(1,-1), h(5,1), i(4,3) and j(0,1) is a rectangle using the parallelogram method and a rectangle method.