Which set of ordered pairs represents a linear relationship?

Which is equivalent to 10/12? options: 10/18 5/6 3/12 9/11

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.

If f(x) = 2x + 8 and g(x) = x4, what is (gº)?