HELP PLS!! according to the rational root theorem, -2/5 is a potential rational root of which function?

Henry is an avid reader, he devours 90 pages in half an hour how many pages has henry read per minute?

Tom drove 206 miles in 3.9 hours. estimate his average speed.

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.