Asingle tree produces about 2.6 × 102 lb of oxygen each year. the amazon rainforest has about 3.9 × 1011 trees.
about how many pounds of oxygen are produced in the rainforest each day ?
2.8 * 10^ ?

Noel is hoping to make a profit (in $) on the school play and has determined the function describing the profit to be f(t) = 8t – 2654, where t is the number of tickets sold. what does the number 8 tell you?

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 equation can be simplified to find the inverse of y = 2x2^2