Simplify and assume all variables represent positive values

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?

Me find the answers and explain the process to find the answer of the problem appreciate it : )

How do the graphs of the functions f(x) = (1.5)x and g(x) = (0.66)x compare?