1.	What is the value of the determinant?
		A.	12	B.	-8
		C.	-3	D.	-12
		Hint
	2.	Use Cramer's rule to find the value of x in the system of equations.
		A.		B.
		C.		D.
		Hint
	3.	Use Cramer's rule to find the value of n in the system of equations.
		A.		B.
		C.	-22	D.
		Hint
	4.	Use Cramer's rule to solve the system of equations.
		A.	(0.011, 0.0055)	B.	(0.2, 0.4)
		C.	(0.4, 0.2)	D.	(-0.4, -0.2)
		Hint
	5.	Find the value of the determinant of
		A.	64	B.	6
		C.	2	D.	–32
		Hint