What is the degree measure of x in this triangle?

If f(x) = 2x - 6 and g(x) = 3x + 9, find (f - g)(x). a. (f-g)(x) = x + 15 o o b. (f- g)(x) = -x - 15 o c. (f- g)(x) = 5x + 3 o d. (f- g)(x) = -x+3 submit

I'm confused on this could anyone me and show me what i need to do to solve it.

Adam used 1072.4 gallons of water over the course of 7 days. how much water did adam use, on average, each day?