(08.06 lc)variable c is 9 more than variable w. variable c is also 3 less than variable w. which pair of equations best models the relationship between c and w?
c = w − 9
c = 4w + 3

c = w + 9
c = w − 3

w = c + 9
w = c − 3

w = c − 9
w = 4c + 3

The stem-and-leaf plot shows the heights in centimeters of teddy bear sunflowers grown in two different types of soil. soil a soil b 5 9 5 2 1 1 6 3 9 5 1 0 7 0 2 3 6 7 8 2 1 8 3 0 9 key: 9|6 means 69 key: 5|8 means 58 calculate the mean of each data set. calculate the mean absolute deviation (mad) of each data set. which set is more variable? how do you know?