Solve the system of equations using Cramer's Rule if it is applicable. If Cramer's Rule is not applicable, say so.
A. x = - 4, y = 4; 
B. not applicable
C. x = 
, y = 
; 
D. x = 
, y = 
; 
Answer: C
Mathematics
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A. 
8
B. 
C. 8
ln 8
D. 
8
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a
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