Which question is a statistical question?
a. what are the ages of the schools in the school district?
b. how old is the middle school building?
c. how many classrooms are there in the elementary school building?
d. how many daily class periods are there in the high school?

The change in water level of a lake is modeled by a polynomial function, w(x). described how to find the x-intercepts of w(x) and how to construct a rough graph of w(x) so that the parks department can predict when there will be no chage in the water level. you may create a sample polynomial of degree 3 or higher to use in your explanations.