How do I find x and y?

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

Look at triangle wxy what is the length (in centimeters) of the side wy of the triangle?

What is the 17th term in the arithmetic sequence in which a6 is 101 and a9 is 83