Astudent wants to arrange four points to form a rectangle on a grid. she has already placed points at (-4. 4). (-4, 8). and (4, 8). where should she place the last point?

a. (8,8)

b. (4,4)

c. (-4,-4)

d. (-8,-8)

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?