Can Someone Help Me Please. ?

Solutions for 2x+7 less than or equal to 3x-5

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.

The volume of a cube-shaped shipping container is 13,824 cubic inches. find the edge length of the shipping container.