A parabola intersects the x-axis at x = 3 and x = 9.
What is the x-coordinate of the parabola's vertex?

The difference between tax advoidance and tax evasion

Quadrilateral abcd in the figure below represents a scaled-down model of a walkway around a historic site. quadrilateral efgh represents the actual walkway. abcd is similar to efgh. what is the total length, in feet of the actual walkway?

Two triangles can be formed with the given information. use the law of sines to solve the triangles. b = 49°, a = 16, b = 14