Ineed with this due tomorrow i dont know what to do im dumb give me

Which equation can be simplified to find the inverse of y = 2x2?

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

If 1 is divided by the sum of y& 4. the result is equal to 3 divided by 4 .find the value of m?