-4
6 Find the inverse of the matrix if it exists 8 -12 a. 1 C. -2. 3 1 7 -7 10 2 2 84 6 6 b. 1 d. does not exist 2 -2 6 -1 4 Please select the best answer from the choices provided
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