1.	When Kristin works 8 hours, she earns $60. When she works 20 hours, she earns $150. Write a linear equation that describes her earnings. Assume that the changes increase linearly.
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		Hint
	2.	Which equation describes the line that contains the points (-5, 2) and (3, 7)?
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		Hint
	3.	Which equation describes the line that contains the points (-1, -8) and (-9, -21)?
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	4.	A ticket service is selling tickets to a concert. An order of 4 tickets has a price of $63 and an order of 6 tickets has a price of $92. Write an equation to find the price of any amount of tickets.
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		Hint
	5.	Write the equation of the line through (5, -3) and (-2, -8) in slope-intercept form.
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		Hint