What is the greatest common factor of 14 and 21

Find the balance at the end of 4 years if 1000 is deposited at the rate of

Find the slope of the line passing through a pair of 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.