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