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