1.	Use Cramer's rule to find the value of x in the system of equations.
		A.		B.
		C.		D.
		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.	(0.011, 0.0055)	B.	(0.2, 0.4)
		C.	(0.4, 0.2)	D.	(-0.4, -0.2)
		Hint
	4.	Determine which matrix has a determinant.
		A.		B.
		C.		D.	[1 -4 -8]
		Hint
	5.	Find the value of the determinant of
		A.	–32	B.	2
		C.	64	D.	6
		Hint