Answer:

Step-by-step explanation:
The rate of change is the slope. The rate of change is the greatest for the slope with the greatest absolute value. In the graph, this is shown with the steepest inclination. That occurs from x = 4 to x = 6.
Answer:

It is: you use distribution method to solve the problem.
14m + 42 + 56m
Then you combine like terms:
14m + 56m + 42
Then you add
70m + 42 is your answer
2. always
Percents tell us how many parts a certain thing has out of a total of 100 parts; thus, the denominator is always 100.