(DESMOS) A stone is thrown skyward from the top of a building. The distance in ft between the stone and the ground in t seconds is given by the function d = -16t^2 - 4t + 442. How long after the stone is thrown is it 430 ft from the ground?

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