1.	A geometrical representation of a map is called a ______?______.
		A.	coordinate plane	B.	pattern
		C.	directed graph	D.	chart
		Hint
	2.	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.	3	B.	2
		C.	4	D.	1
		Hint
	3.	Using the directed graph, how many different routes are there to get from the Boston plant to the Fitchburg plant in at most two transfers?
		A.	2	B.	3
		C.	4	D.	5
		Hint
	4.	How many ways can supplies be transferred directly to Fitchburg from other cities?
		A.	1	B.	2
		C.	4	D.	3
		Hint
	5.	How many ways can supplies be transferred directly to Providence from other cities?
		A.	1	B.	2
		C.	3	D.	0
		Hint