1.	Solve
		A.	7	B.	-49
		C.	49	D.	14
		Hint
	2.	Solve
		A.	5	B.
		C.		D.
		Hint
	3.	Solve
		A.	18	B.
		C.	no real solution.	D.	36
		Hint
	4.	Solve
		A.		B.
		C.	x > 0	D.
		Hint
	5.	In the equation do you have to square both sides?
		A.	yes, in order to isolate x
		B.	cannot be determined
		C.	yes, in order to simplify.
		D.	no
		Hint