Enter the value of x

For what value of (y) is 3^3/3^y =1/9

Which of the following shows the length of the third side, in inches, of the triangle below

Kim took out a $55,000 loan for college she is borrowing money from 2 banks bank a charges an interest rate of 8% and b charges an interest rate of 11% after one year kim owes 5000 in interest how much money did she borrow from bank a.