How many of the data points must lie on the regression line for the data set? if the coefficient of determination for a data set containing 10 points is 1 a. 7 b. 9 c. 10 d. 8

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.