What value of x will make triangles ABM and DCM congruent?

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.

Write the expression as a single natural logarithm. 2 in a - 4 in y

Which table represents points on the graph of h(x) = 3√-x+2?