Your grandfather gave you 10$ with which to buy a present. This covered 5/6 of the cost how much did the present cost

What is the answer to |-2x-5|-|-4+8| and x=7

Through: (-3,-3) parallel to y= 7/3x+3

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.