Ashley and Amanda each improved their yards by planting daylilies and ivy. They bought their supplies from the same store. Ashley spent $81 on 3 daylilies and 6 pots of ivy. Amanda spent $183 on 13 daylilies and 12 pots of ivy. Find the cost of one daylily and the cost of one pot of ivy.

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.