Acandy bar box is in the shape of a triangular prism. the volume of the box is 2,400 cubic centimeters.

part a: what is the height of the box? show your work. (5 points)

part b: what is the approximate amount of cardboard used to make the sides of the candy box? explain how you got your answer. (5 points)

Mrs. avila is buying a wallpaper border to go on all of her kitchen walls. she wants to buy 5 extra feet of wallpaper border than she needs to be sure she has enough. she buys 55.5 feet of the border. the store owner selling the border uses the width of mrs. avila's kitchen to determine that the length of her kitchen must be 14.5 feet.