1.	A line graph _________________________.
		A.	shows only increases in data
		B.	does not have line segments connecting the data points
		C.	is best used to show changes over time
		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.	14 ft	B.	20 ft
		C.	10 ft	D.	12 ft
		Hint
	3.	Predict which two items' sales will probably combine to bring in $350,000 next month.
		A.	ties and socks	B.	socks and shorts
		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.	100	B.	50
		C.	70	D.	120
		Hint
	5.	What would you predict your heart rate would be if you exercise 40 minutes per day?
		A.	120	B.	0
		C.	50	D.	10
		Hint