What is the average rate of change of f(x), represented by the graph, over the interval [-1, 1]
a.2
b.3
c.5
d.6

Elena and her husband marc both drive to work. elena's car has a current mileage (total distance driven) of 15,000 and she drives 23,000 miles more each year. marc's car has a current mileage of 46,000 and he drives 9,000 miles more each year. will the mileages for the two cars ever be equal? explain.

What is the the greatest common factor ?

If jklm is a trapezoid, which statements must be true?