Two elevators begin descending from the same height. Elevator A has descended 4 feet after one second, 9 feet after two seconds, 14 feet after thre seconds, and so on. Elevator B has descended 3.5 feet after one second, 6.5 feet after two seconds, 9.5 feet after three seconds, and so on. How many feet would each elevator descend in 10 seconds? A: 59 ft; B: 36.5 ft O A: 49 ft; B: 30.5 ft A: 85 ft; B: 72 ft

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