1.	Find (4x2 + 3x) + (7x2 – 5x – 6).
		A.	11x4 – 2x2 – 6	B.	11x2 – 2x – 6
		C.	11x2 – 8x – 6	D.	9x – 6
		Hint
	2.	Find the difference (-3x3 – 7x2 + 5x – 4) – (6x2 – 8).
		A.	–3x3 – x2 + 5x - 12	B.	–3x3 – 13x2 + 5x + 4
		C.	–3x3 – 13x2 + 5x - 12	D.	-11x8 + 4
		Hint
	3.	Find the sum (4xy2 – 3x2y – 5xy – 6) + (-5xy2 – 2xy + 3).
		A.	4xy2 – 7xy – 3	B.	-xy2 – 3x2y – 7xy – 3
		C.	-xy2 – 3x2y – 3xy – 3	D.	4xy2 – 8x2y – 7xy – 3
		Hint
	4.	Find the difference (-7x4y2 – 3x2y + 2xy2 – 5) – (4x4y2 – xy2 – 5).
		A.	-11x4y2 - 3x2y + 3xy2
		B.	-11x4y2 - 3x2y + xy2 - 10
		C.	-11x4y2 - 3x2y + 3xy2 - 10
		D.	-3x4y2 - 4xy2 + 2xy2 - 10
		Hint
	5.	Find the polynomial that represents the measure of the perimeter of the triangle.
		A.	7x3y6 + 10x2 – 2y	B.	5xy2 + 10x
		C.	15xy2	D.	7xy2 + 10x – 2y
		Hint