A horizontal bridge is in the shape of a parabolic arch. Given the information below,what is the height hof the arch 2 feet from shore?

Given Data:

*width across bridge (from one side of the parabola to the other side of the parabola) is 20 feet

*The height of the arch (the vertex of the parabola under the bridge to the water below) is 10 feet

*the heighthwe want is located under the bridge itself 2 feet from the shore