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A person invests 8500 dollars in a bank. The bank pays 6% interest compounded semi-annually. To the nearest tenth of a year, how long must the person leave the money in the bank until it reaches 15500 dollars?The quotient of a number and 3 minus two is at least-12Surface area of a sphere is 254.5 inches^2. What is the 半径The area of a circle is 100pi square inches. What is the 周长?twice a number less than twenty is at most ten