EXPERTS HELP!!SUPER HARD QUESTION

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

Cd is the perpendicular bisector of both xy and st, and cy=20. find xy.

What are the solutions of the following system? y=-2x^2 y=x-2