1.	Using the directed graph, how many different routes are there to get from the Boston plant to the Worcester plant in exactly two transfers?
		A.	2	B.	4
		C.	3	D.	1
		Hint
	2.	Using the directed graph, what is the fewest number of transfers possible to get from the Fitchburg plant to the Lowell plant?
		A.	1	B.	3
		C.	0	D.	2
		Hint
	3.	Using the directed graph, what is the fewest number of transfers possible to get from the Fitchburg plant to the Providence plant?
		A.	1	B.	0
		C.	3	D.	2
		Hint
	4.	How many ways can supplies be transferred directly to Fitchburg from other cities?
		A.	1	B.	3
		C.	4	D.	2
		Hint
	5.	How many ways can supplies be transferred directly to Providence from other cities?
		A.	1	B.	2
		C.	3	D.	0
		Hint