Is 12/44 greater than or less than 8/11

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.

Given this information, which expression must represent the value of b?

What is 1/3x5 on anuber line what does it look like on a number line