Aski resort makes snow using a snow fan that cost $1200. the fan has an average daily operation cost of $9.50. write a simplified expression that represents the cost to purchase and operate 6 snow fans. use the variable d to represent the number of days that the resort operates the fans

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?