Let f(x) = 2x - 7 and g(x) = -6x - 3. find f(x) + g(x) and state its domain.

The equation x2 – 1x – 90 = 0 has solutions {a, b}. what is a + b?

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.

Acd that is originally priced at $15.85 red-tagged for the sale. what is the sale price of the cd