Find the surface area of the pyramid

Using two or more complete sentences, describe how you can find a vector parallel to b=-2,3

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

Julie was able to walk 16 km through the zoo in 6 hours. how long will it take her to walk 24 km through the zoo?