1.	Solve .
		A.	10	B.	19
		C.	8	D.	7
		Hint
	2.	Find the value of x in the equation .
		A.	-30	B.	-10
		C.	6	D.	14
		Hint
	3.	If , what is the value of c?
		A.	1	B.	27
		C.	9	D.	3
		Hint
	4.	Solve
		A.		B.
		C.		D.
		Hint
	5.	What is the value of h in the equation
		A.	8.65	B.	23.715
		C.	4.325	D.	17.3
		Hint