1.	Let and . Find .
		A.		B.
		C.		D.
		Hint
	2.	Let . Find .
		A.		B.
		C.		D.
		Hint
	3.	Find the magnitude of the vector .
		A.		B.
		C.		D.
		Hint
	4.	If , then = _______.
		A.		B.
		C.		D.
		Hint
	5.	Let C = (4, 17), D. = (-11, 2). Write as a sum of unit vectors.
		A.		B.
		C.		D.
		Hint