What is the midpoint of a line segment with endpoints (-3, 7) and (9, -2) ( please answer quick) (will mark brainliest)

F(x)= 1/x-4, g(x)=4x+1/x a. use composition to prove whether or not the functions are inverses of each other. b. express the domain of the compositions using interval notation.

How do i find the missing angle measure in a polygon

The ratio of the perimeters of two similar triangles is 4: 3. what are the areas of these triangles if the sum of their areas is 130cm2?