The height of a cylinder is twice the radius of its base.

What expression represents the volume of the cylinder, in

cubic units?

42

250x

Orx + 2x

O2 + x

Which of the expressions (on the photo document i inserted) together represent all solutions to the following equation? 8cos(12x)+4=-4 *the answer should be in degrees.* > i would like for someone to explain the process to find the solutions for this.

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

Given the diagram below, michael writes, "segment ac is congruent to segment ac." which of the following reasons allow him to write this statement?