1.	A line graph _________________________.
		A.	is best used to show changes over time
		B.	does not have line segments connecting the data points
		C.	shows only increases in data
		D.	must have years labeled on the horizontal axis
		Hint
	2.	The Pacific giant kelp plant is one of the fastest-growing plants in the world. The table below shows the growth of one plant. Predict what the height of the plant will be in week 10.
		A.	20 ft	B.	12 ft
		C.	14 ft	D.	10 ft
		Hint
	3.	Predict which two items' sales will probably combine to bring in $350,000 next month.
		A.	socks and shorts	B.	ties and socks
		C.	shorts and shirts	D.	shirts and socks
		Hint
	4.	What would you predict your resting heart rate would be if you exercise 25 minutes per day?
		A.	120	B.	100
		C.	70	D.	50
		Hint
	5.	Make a line graph for the data in the table.
		A.
		B.
		C.
		D.
		Hint