What's the answer when i multiply 17x(x+4) ?

Plz heeeeeeelp plz give me the answer

What point is the projection of q on a) r b) s c) t

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