Which situation could not represent a proportional relationship? a) the amount an employee who makes $13.50 per hour in h hours. b) the cost of purchasing p pounds of bananas for $0.39 per pound. c) the number of gallons of oil in b barrels with 48 gallons of oil in each barrel. d) the weight in w weeks of a puppy that gains 1.5 pounds per week if its starting weight is 6 pounds.

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.