3 2
+ - in simplest form??
5 7

Find the sum of the first 8 terms of the following sequence. round to the nearest hundredth if necessary.

Standard deviation of 19,29,21,22,23

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