Someone help please will mark brainliest. you don’t have to explain

If f(x)=2x-6 and g(x)=3x+9, find (f-g)(x)

Bradley hikes 12 miles in 3 hours. in relation to bradley’s hike, which statement describes the expression

If the endpoints of the diameter of a circle are (8, 6) and (2,0), what is the standard form equation of the circle? a) (x + 5)2 + (y + 3)2 = 18 (x + 5)2 + (y + 3)2 = 3.72 (x - 5)2 + (y - 3)2 = 18 d) (x - 5)2 + (y - 3)2 = 32