Wha is the sum of 3/8 and 1/12

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

Given f(x) = 2x^2- 5x+1, determine the function value f(2). do not f(x) = in your answer

This is different from the first one can someone me