Answer:

Step-by-step explanation:
From the question we are told that:
Mean 
Generally the Poisson equation for \=x is mathematically given by

Therefor




Isabel. Because 7/9 is bigger than 5/7 . 7/9 is equivalent to 0.77 and 5/7 is equivalent to 0.71
Dependent variable is dependent on the independent variable
m, because the amount of tread lost depends on how many miles you traveled
it's not, the amount of miles depends on how much tread you lost
m is indepdent
Answer:
it's A please mark mine good .............