Which of the lines whose equations are given below is perpendicular to 3x - 12y = 10?

Plz me i need i will give a brain

Which of the following are accepted without proof in a logical system? check all that apply.

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.