Jack read 9 books in 15 months. What was his rate of reading in months per book? Include units. Your answer should be written in fraction form (mixed number)

Karianne and lucius are analyzing a linear function on a graph. karianne says that unit rate is equal to rate of change, but that slope is calculated differently. lucius says that unit rate, rate of change, and slope are calculated the same way. who is correct? explain your answer.

Segment ab is shown on the graph. which shows how to find the x-coordinate of the point that will divide ab into a 2: 3 ratio using the formula

The measure of one angle of an octagon is two times smaller that of the other seven angles. what is the measure of each angle?