Which expression produces a compatible number estimate for (4/7)(3/8)(3/5)(5/9)
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I’m confused on how to work the pie charts

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.

Which method of gathering data will be most effective in learning how diet and fitness choices affect long-term healt