Can someone give me the right answer for this. need it asap.

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.

Identify the number as a rational or irrational.explain. 127

Mackenzie needs to determine whether the rectangles are proportional. which process could she use? check all that apply.