At the january weigh-in for feeder calves, jason's calf weighed 300 lbs and erica's calf weighed 400lbs. during the fair jason's calf weighed 390 lbs and erica's calf weighed 500 lbs. why can they both claim their calf gained more?

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.