Explain how to sketch the graph of a curve that opens downwards and has only one x-intercept at (2.5,0)

Consider the proof. given: segment ab is parallel to line de. prove: what is the missing statement in step 5?

Adecorative window is made up of a rectangle with semicircles at either end. the ratio of ad to ab is 3: 2 and ab is 30 inches. what is the ratio of the area of the rectangle to the combined area of the semicircles? possible answers: a. 2: 3 b. 3: 2 c. 6: π d. 9: π e. 30: π

How many ordered pairs of positive integers satisfy xy=32?