Which polynomial is equal to (-3x^2+2x-3) subtracted from (x^3-x^2+3x)?

49xy +34y - 72z. determine the degree of the polynomial

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

Ineed if you could explain and give me the answer you! this needs done