Mn. If m∠5=124° find the missing angles:
Determine the measure of angle.

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 effect would doubling all the dimensions of a triangular pyramid have on the volume of the pyramid? explain your reasoning.

Angles r and s are complementary. the measure of angle r is 31 degrees. which equation can be used to find angle s?