How much greater is the volume of prism a than the volume of prism b

What is the area of the triangle 10 13 12

What are the coordinates of the point that is 1/3 of the way from a to b? a (2,-3) b (2,6)

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.