1.	Determine which expression is not a polynomial.
		A.		B.	x2 - y2 + z2
		C.		D.
		Hint
	2.	Find the perimeter of triangle ABC.
		A.	(4w + 22) in.	B.	(8w + 9) in.
		C.	(4w + 8) in.	D.	(8w + 8) in.
		Hint
	3.	Simplify (4r - s) - (r + 2s) + (3r - s).
		A.	3r - 2s	B.	6r - 4s
		C.	6r - 3s	D.	8r
		Hint
	4.	Simplify 6g(-3h - 4).
		A.	-18g - 4	B.	-18gh - 24g
		C.	6gh - 4	D.	-18gh - 4
		Hint
	5.	Find (c2 + 2c - 6)(c + 5).
		A.	c3 + 2c2 - 6c - 30
		B.	c3 + 2c2 - 30
		C.	c3 + 2c2 + 5
		D.	c3 + 7c2 + 4c - 30
		Hint