Solve a= p+prt for r. assume all variables represent positive values.

Which shows the image of rectangle abcd after the rotation (x, y) → (–y, x)?

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

Which property was used to simplify the expression? 3c+9 +4c=3c+4c+9