One number is four more than five times another. if their sum is increased by three, the result is thirty-one

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 linear inequality is represented by the graph?

Write an inequality for this sentence the quotient of a number and -5 increased by 4 is at most 8