1.	Find the distance between the lines with equations x + 2y = 6 and y = -x + 2.
		A.		B.
		C.		D.
		Hint
	2.	What is the distance from the origin to the graph of 3x + 4y + 12 = 0?
		A.	12	B.	5
		C.		D.
		Hint
	3.	What is the distance between the lines given by the equations 5x - 2y = 14 and y = x - 9?
		A.		B.
		C.		D.	0
		Hint
	4.	PQR has vertices P(5, 8), Q(9, 5), and R(3, 2). Find the length of the altitude of PQR through point P (PQR Is not a right triangle, so there is only one altitude through P).
		A.		B.
		C.	5	D.
		Hint
	5.	Find the distance from the origin to the graph of 2x + y = 15.
		A.		B.
		C.		D.	undefined (cannot divide by zero)
		Hint