In an arithmetic sequence {an}, if a1 = 5 and d = 3, find a72. a) 216 b) 218 c) 221 d) 223

Find the value of x for which abcd must be a parallelogram -9-6x x-30

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 of the following is missing in the explicit formula for the compound interest geometric sequence below?