Someone pls help me with this I will make you brain

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.

Find the equation in slope intercept form parallel to y=5x + 2 that pases through (-6,-1)

The speeders soccer team charged $12 to wash each car at a fundraiser car wash. the team collected a total of $672 by the end of the day. how many cars did the deal wash?