Which ordered pair is a solution of the equation below? y=-7+2x? (1,-5) (8,-54) (1,-7)

Me asap! what is the slope of this line? enter your answer in the box.

The area of square garden is 300m squared. how long is the diagonal?

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.