Can someone answer this question please?

If you are just building your payment history, how many points from a perfect score will you possibly miss?

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

Find the volume of the solid whose base is the region bounded by f(x), g(x) and the x-axis on the interval [0, 1], and whose cross-sections perpendicular to the y-axis are squares. your work must show the integral, but you may use your calculator to evaluate it. give 3 decimal places for your answe