Read the statements below about the following algebraic expression: 3m +5n +4
Select ALL of the statements that are true.

5n is a term

m and n are coefficients

3m and 5n are not like terms

4 is a variable

Please help

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?