Use the given diagram to answer the question. Which line is the intersection of two of the planes
shown?
х

Which line intersects one of the planes shown?

Z
Which line has points on three of the planes shown?
Y

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.