Solve. x + y + z = 7 x - y + 2z = 75x + y + z = 11
A. (4, 1, 2)
B. (1, 4, 2)
C. (1, 2, 4)
D. (4, 2, 1)
Answer: C
Mathematics
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as specified. Leave your answer in polar form.z = 6
w = 12
Find zw.
A. 36
B. 72
C. 36
D. 72
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3
A. - 
B. - 
C. - 
D. 
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A. 
B. 
C. 
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