1.	A geometrical representation of a map is called a ______?______.
		A.	chart	B.	pattern
		C.	coordinate plane	D.	directed graph
		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.	2	B.	3
		C.	1	D.	0
		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.	3	B.	1
		C.	2	D.	0
		Hint
	4.	How many ways can supplies be transferred directly to Providence from other cities?
		A.	0	B.	1
		C.	2	D.	3
		Hint
	5.	To which city is there exactly one way in which supplies can be transferred directly from another city?
		A.	Providence	B.	Worcester
		C.	Boston	D.	Lowell
		Hint