A new airport in Tucson, Arizona has decided to use robots in their automated luggage handling system. One robot can handle 240 bags per hour (effective capacity). They operate at 80% efficiency, 365 days out of the year for 20 hours every day. How many robots will be needed to handle 3.8 million bags a year

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.