Which graph matches the equation ? 1 2 3 4 ? plz help fast

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.

What is the volume of this square pyramid?

What does the relationship between the mean and median reveal about the shape of the data