1.	A line graph _________________________.
		A.	must have years labeled on the horizontal axis
		B.	shows only increases in data
		C.	does not have line segments connecting the data points
		D.	is best used to show changes over time
		Hint
	2.	Each year, the population of Chicago increases. What would a line graph showing the yearly population of Chicago look like?
		A.	It would go up from left to right.
		B.	It would be a horizontal line.
		C.	It would go down from left to right.
		D.	It would be a vertical line.
		Hint
	3.	Predict which of these items the store will sell the most of next month.
		A.	shorts	B.	shirts
		C.	socks	D.	ties
		Hint
	4.	Predict which two items' sales will probably combine to bring in $350,000 next month.
		A.	socks and shorts	B.	shirts and socks
		C.	ties and socks	D.	shorts and shirts
		Hint
	5.	How many minutes would you have to exercise each day to have a resting heart rate of 60 beats per minute?
		A.	20 minutes	B.	10 minutes
		C.	30 minutes	D.	60 minutes
		Hint