Me all of the following are examples of what rigorous coursework in high school might mean except: a. increased numbers of quizzes and tests. b. taking twice as many classes as normal. c. added reading assignments. d. faster pace in covering course material.

Qwest airlines has implemented a program to recycle all plastic drink cups used on their aircraft. their goal is to generate $7 million by the end of the recycle program's five-year life. each recycled cup can be sold for $0.005 (1/2 cent). a. how many cups must be recycled annually to meet this goal? assume uniform annual plastic cup usage and a 0% interest rate. b. repeat part (a) when the annual interest rate is 12%. c. why is the answer to part (b) less than the answer to part (a)?