State the point of intersection I’ll give you brilliance!

Please explain how you got your answer

The base of a triangle exceeds the height by 9 inches. if the area is 180 square inches, find the length of the base and the height of the triangle.

Write an equation for the function that includes the points (2,100)and (3,100)

Acyclist bike x distance at 10 miles per hour .and returns over the same path at 8 miles per hour.what is the cyclist average rate for the round trip in miles per hour ?