A. Joe borrowed $6 from a friend. To get the money to pay back his friend, he can charge his neighbor $ to walk her dog on Saturday. B. After 9 holes, a golfer is 3 over par. To finish this round at par, she will have to complete the last 9 holes at under par. C. In March 2012, James Cameron, the director of Titanic, dove 11,034 meters into the Mariana Trench inside the Deepsea Challenger. To return to the surface, the Deepsea Challenger had to ascend meters. D. A bathtub that is half full has sprung a leak. It is losing 70 mL of water per second. Therefore, the faucet must run at mL per second in order for the tub to remain half full. brainiest!