John can ride his skate board 100 feet in 4.6 seconds. how fast is this in miles per hour?

Using the side-splitter theorem, daniel wrote a proportion for the segment formed by luke segment de. what is ec?

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?

Jose is going to use a random number generator 500500 times. each time he uses it, he will get a 1, 2, 3,1,2,3, or 44.