20 PTS! NEED HELP ASAP! MATH FINAL! SHOW ALL WORK! NO LINKS! Manny is starting to save his money now so he can buy a used car. He has $500 to start his savings account with, and plans on depositing $200 each month. Manny's neighbor has agreed to sell him his car when he gets $3500.
Write the equation for this problem:
then, tell how many months it will take for Manny to save up the money for his car

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.