Find the volume of a pyramid with a square base, where the side length of the base is 18.7 ft and the height of the pyramid is 8.8 ft. Round your answer to the nearest tenth of a cubic foot .​

Amira is painting a rectangular banner 2 1/4 yards wide. the banner will have a blue background. amira has enough paint to cover 1 1/2 square yards of the wall. the school colors are blue and yellow, so amira wants to add yellow rectangles on the left and right sides of the blue rectangle. the yellow rectangles will each be 3/4 yards wide and the same height as the blue rectangle. what will be the total area of the two yellow rectangles?