What is the equation of the curve of best fit shown in the graph? A.
y = -3x2 + 3x + 6
B.
y = 3x2 + 3x − 6
C.
y = -3x2 − 3x + 6
D.
y = 3x2 − 3x − 6

The table shows the distances travelled by a paper aeroplane. a. find the range and interquartile range of the data. the range is feet. the interquartile range is __feet. b. interpret the range and interquartile range of the data. __ feet the distances travelled by the paper aeroplane varied by no more than__ feet. the middle half of the distances travelled by the paper aeroplane varied by no more than __ feet.