Find the following angles from the above rectangle. ( answer only 5-12) please :)

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.

Solve - pv + 40 < 65 for v solve 7w - 3r = 15 for r

What is the 9th term in the geometric sequence described by this explicit formula? an=-6. (2)(n-1) apex