Solve the system using the inverse method.
A. x = -2, y = 1
B. x = -1, y = 2
C. x = 2, y = -1
D. x = 1, y = -2
Answer: A
Mathematics
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A. 
B. 
C. 
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i + 
j, v = 
i + 
j
A. 240° B. 150° C. 210° D. 120°
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