What’s the solution for 1/2+2x=1/4x+1/3x+x

How many $20 bills do you need to have to make $280

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 circles have their centers in the third quadrant? check all that apply.