How do you change 45/117 to the simplest

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.

Given f(x) = 17-x^2what is the average rate of change in f(x) over the interval [1, 5]?

Abcd is a parallelogram. the diagram is not drawn to scale. if m