9.) find the following antiderivative

Find the required measurements of the following trapezoids. a = 8 cm b = 16 cm h = 10 cm

Solve the equation by completing the square. x^2+2x=17

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