1.	What best describes the equation 2(4 + 6) = 20?
		A.	false	B.	none of these
		C.	open	D.	true
		Hint
	2.	What best describes the equation 14 - 2x + 10?
		A.	open	B.	true
		C.	false	D.	none of these
		Hint
	3.	Which is a solution to the equation
		A.	150	B.	5
		C.	120	D.	80
		Hint
	4.	Which is a solution to the equation ?
		A.	25	B.	8
		C.	4	D.	32
		Hint
	5.	What best describes the equation
		A.	false	B.	true
		C.	none of these	D.	open
		Hint