If the coefficient of determination for a data set containing 9 points is 1, how many of the data points must lie on the regression line for the data set?
O A. 9
OB. 8
O C. 6
O D. 7

How many square feet of out door carpet will we need for this hole? 8ft 3ft 12ft 4ft

Name the most appropriate metric unit for each measurement

You drop a rubber ball off the roof of a 50 meter high building onto a paved parking lot. it bounces back up with every bounce, but not quite all the way back up to you. after the first bounce it bounces back only 80 percent of the distance it was dropped from. the pattern continues, meaning after every bounce it comes up to just 80 percent of the previous maximum height. so if before the first bounce the height is 50 meters, what height does the ball reach after the fifth bounce? round your answer to one decimal place and chose the correct response from the choices below: