The lava cooled in a wide range of shapes one of which is a rectangular prism. Columns of these promisions are found throughout the devil's tower. If these columns have a height of 100m and a base that measures 2m by 2m find the number of towers necessary to form the devil's tower?

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?