1.	Each year, the population of Chicago increases. What would a line graph showing the yearly population of Chicago look like?
		A.	It would be a horizontal line.
		B.	It would be a vertical line.
		C.	It would go down from left to right.
		D.	It would go up from left to right.
		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.	shirts and socks	B.	socks and shorts
		C.	shorts and shirts	D.	ties and socks
		Hint
	4.	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.	60 minutes
		C.	10 minutes	D.	30 minutes
		Hint
	5.	What would you predict your heart rate would be if you exercise 40 minutes per day?
		A.	10	B.	120
		C.	50	D.	0
		Hint