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Find the area of the circle when the 원둘레 is 6pi inYou deposit 4000 in an account earning 7% interest compounded monthly. How much will you have in the account in 15 years?When 3 is subtracted from five times a number, the result is 1795% of what number is 38?Nine more than the quotient of a number and 8 is equal to 7 .Use the variable x for the unknown number.