I need help with surface of area of prisms​

The table shows values for functions f(x) and g(x) . x f(x)=3x g(x)=2x+1 −2 19 −3 −1 13 −1 0 1 1 1 3 3 2 9 5 what is the solution to f(x)=g(x) ? select each correct answer.

Name each raycalculation tip: in ray "ab", a is the endpoint of the ray.

Which statement justifies why angle ebc measures 90?