What are the difference between polynomial long division and arithmetic long division?

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

Atransformation t : (x,y) (x-5,y +3) the image of a(2,-1) is

In the diagram below,abc is congruent to dec what is the value of x