Help me with this asap

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?

What are the factors of me - 12m + 20?

The sequence [tex]a_{n}[/tex] = 5n + 3 is the same as the sequence [tex]a_{1} = 8, a_{n} = a_{n-1} +5[/tex]