What are the maximum, minimum, range and mean?

Norma has an a-frame cabin. the back is shown below. how many square feet of paint will she need to cover the back of the cabin? explain how you found the answer.

The graph of a hyperbola is shown. what are the coordinates of a vertex of the hyperbola? (0, −4) (−3, 0) (0, 0) (0, 5)

Solve the following pair of equations for x and y: ax/b_ by /a= a +b; ax - by = 2ab