1.	Find .
		A.		B.	2
		C.		D.
		Hint
	2.	Find .
		A.		B.
		C.		D.
		Hint
	3.	Find .
		A.		B.	c + 2
		C.		D.
		Hint
	4.	Find .
		A.		B.
		C.	1	D.
		Hint
	5.	The speed of light is 3 × 108 meters per second. How fast is this in kilometers per hour?
		A.	1.8 × 107 km/hr	B.	1.08 × 109 km/hr
		C.	8.3 × 107 km/hr	D.	3 × 105 km/hr
		Hint