A local store offers two installment plans for buying a $270 skateboard. Plan 1: A fixed weekly payment of $10.80
Plan 2: A $120 initial payment plus $6.00 per week

a. For each plan, how much money is owed after 12 weeks?
b. Which plan requires the least number of weeks to pay for the skateboard? Explain.
c. Write an expression that represents the amount of money paid after “w” weeks for
each plan. Explain what information the variables and numbers represent.

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.