John and Jessica are selling fruit for a school fundraiser. Customers can buy small boxes of tangerines and large boxes of tangerines. John sold 7 small boxes of tangerines and 13 large boxes of tangerines for a total $165. Jessica sold 1 small box of tangerines and 13 large boxes of tangerines for a total $135. What is the cost of each of one small box of tangerines and one large box of tangerines?

Brittany has designed four different birdcages, each with the same volume: a square pyramid, a cylinder, a cone, and a sphere. the zoo wants to use one of brittany’s designs but plans to change the volume of the cage. find the design change that would result in the birdcage with the greatest volume. a.) increase the area of the base of the square pyramid by a factor of ten. b.) increase the height of the cylinder by a factor of ten. c.) increase the radius of the cone by a factor of ten. d.) increase the radius of a sphere by a factor of ten.