What percent of 64 million is 25 million

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?

Which statement best explains why ben uses the width hi to create the arc at j from point k

For what values of the variable x is the expression square root of 7x+14+ square root of 7-x a real number?