Given the speeds of each runner below, determine who runs the fastest. Emily runs 8 feet
per second.
Noah runs 604 feet in 47 seconds.
Adam runs 1 mile in 548 seconds.
Tony runs 678 feet in 1 minute.

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.