1.	What is the value of the determinant?
		A.	-8	B.	-3
		C.	-12	D.	12
		Hint
	2.	Use Cramer's rule to find the value of n in the system of equations.
		A.		B.	-22
		C.		D.
		Hint
	3.	Use Cramer's rule to solve the system of equations.
		A.	(0.2, 0.4)	B.	(0.011, 0.0055)
		C.	(-0.4, -0.2)	D.	(0.4, 0.2)
		Hint
	4.	Find the determinant of
		A.	-21	B.	-16
		C.	-11	D.	0
		Hint
	5.	Find the value of the determinant of
		A.	2	B.	–32
		C.	64	D.	6
		Hint