The boxplot below represents the number of texts sent in two minutes by 11 different freshmen.

In order for the function to be linear, what must m be and why? m = 22 because the rate of change is 1. m = 20 because the rate of change is 3. m = 22 because the rate of change is -1. m = 20 because the rate of change is -3.

240 seventh graders and two-thirds of the students participate in after-school activities how many students participate in after-school activities

Iknow the answer but the calculator doesn't seem to give the right one