How to change 1/8 into a precentage?

Find the domain and range of the following function f(x) = 51x - 21+ 4

If the altitude is drawn to the hypotenuse of a right triangle, then the two triangles formed are similar to the original triangle and to each other. which set of triangles shows the similar triangles created by the altitude in the diagram?

Identify the parent function that can be used to graph the function f(x)=3(x-9)2