Please only do 5-10 and 11, 12 ,and 15 I will give brainliest I need this or I will get in big troble please!

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.

What is 140% of 25? because i need

Cody ran nine miles on his first day of training. the next day he ran 1/8 that distance. how far did he run the second day?