Please help ! i put a pic of the question. A = [-1/0 4/5] B = [7/2 9/0 2/-3] what is the product of these matrices A B

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?

Jenisey has $24 to spend on seven pencils. after buying them she had $10. how much did each pencil cost.?

Abouncy ball is released from a certain height. on the first bounce, it travels 32cm. with each subsequent bounce, it travels 9/10 the distance of the previous bounce. what is the total distance that the ball has traveled when it completes its 25th bounce?