PLEASE ANSWER ASAP FOR BRAINLEST SUPER EASY QUESTION

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.

Which of the following is the graph of y= square root -x-3

Consider the sequence below. 3 , 1 , 1/3 , 1/9 , select the explicit function which defines the sequence.