This prism is a right triangular prism because the bases are right triangles. what is the volume

What is the inverse of the function f(x) = 2x + 1?

Can someone me with #s 8, 9, and 11. with just one of the three also works. prove using only trig identities.

A)a square brown tarp has a square green patch green in the corner the side length of the tarp is (x + 8) and the side length of the patch is x what is the area of the brown part of the tarpb)a square red placemat has a gold square in the corner the side length of the gold square is (x - 2) inches with the width of the red region is 4 in what is the area of the red part of the placemat