Pls help ill give you 10 or 22 points I’m rlly stuck.

What is the best way to answer questions with a x expression in the question. for example 3x + 10x=?

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

Given right triangle abc, what is the value of tan(a)?