1.	Simplify 6a + 15a.
		A.	21a2	B.	21a
		C.	6a + 15a	D.	42a
		Hint
	2.	Solve the equation 3x + 7 = 5x - 2.
		A.		B.
		C.		D.
		Hint
	3.	Simplify 12y + 8y.
		A.	20y2	B.	20y
		C.	simplified	D.	4y
		Hint
	4.	Solve –13b – 17 – 5b = 2b – 10 –20b – 7.
		A.	b = 0	B.	All Real Numbers
		C.	b = 1	D.	No Solution
		Hint
	5.	Solve 15(s – 3) = 12s – 43.
		A.		B.
		C.		D.
		Hint