On a true or false history test with 20 question Susie randomly choose answers which of the following tools would be the best model in this situation? 1: a spinner with 5 equal parts
2: a fair coin
3: a spinner numbered 1 through 7
4: a fair number cube ​

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.