Which description best fits the graph? always decreasing
2
always increasing
0
2
4 6
х
-2
decreasing, then increasing
-4
increasing, then decreasing

What is the value of x when x + 7 = 21?

What is the result of the following 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