Adding without line numbers. 24+3.1+(-44)+(8.2)+63 equals

Me. drysdale earned 906.25 in interest in one year on money that he had deposited in his local bank if the bank paid an interest rate of 6.25% how much money did mr. drysdale deposit

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What are the coordinates of the midpoint of ab? ,1/2) /2,-1) ,-3/2) /2,-2)