Geometry what is the probability of getting heads when flipping a coin and getting a number greater than or equal to 3 when rolling a single die?

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.

F(n + 1) = f(n) – 8. if f(1) = 100, what is f(6)?

If x = -2, then x 2-7x+10 equals a. 0 b.20 c.28