PLEASE SHOW YOUR EXPLANTION / WORK ON ALL QUESTIONS

Question 12 (1 point) () Listen Solve the problem. A piece of land is shaped like a right triangle. Two people start at the right angle of the triangle at the same time, and walk at the same speed along different legs of the triangle. If the area formed by the positions of the two people and their starting point (the right angle) changing at 2m2/s, then how fast are the people moving when they are sm from the right angle? (Round your answer to two decimal places.) 0.40 m/s 0.80 m/s 12.50 m/s 9 0.20 m/sQuestion 14 (1 point) ) Listen Solve the problem. A company is constructing an open-top, square-based, rectangular metal tank that will have a volume of 4313. What dimensions yield the minimum surface area? Round to the nearest tenth, if necessary. 3.5 ft x 3.5 ft x 3.5 ft 4.4 ft x 4.4 ft x 2.2 ft 5. 1 ft x 5. 1 ft x 1.7 ft 9.3 ft x 9.3 ft x 0.5 ft