Elizabeth and James went to the school picnic to eat lasagna. The teachers cut the pan of lasagna into 12 equal portions. Elizabeth took 2 pieces and James took 4 pieces from the whole square pan. What fraction of lasagna did Elizabeth take? What fraction did james take? 4th Grade Math (Fractions)

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.