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.
		A.		B.
		C.		D.
		Hint
	2.	Write an equation of the line that passes through (10,-4) and is perpendicular to the line whose equation is
		A.		B.
		C.		D.
		Hint
	3.	Find an equation of the line that passes through (0, -6) and (5, 3).
		A.		B.
		C.		D.
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	4.	What is the slope of the line with equation
		A.	-7	B.	7
		C.		D.
		Hint
	5.	What is the y-intercept of the graph of the line with equation
		A.		B.	-7
		C.	7	D.
		Hint