Can somebody please explain how to do this:)​

27 is what percent of 108? 27 is % of 108

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 rotation was applied to triangle def to create d’e’f’?