Solve the system of equations by Gaussian elimination.
A. {(2, 0, -4)}
B. {(0, -4, 2)}
C. {(2, -4, 0)}
D. ?
Answer: B
Mathematics
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(x2 - 16 + 
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A. Does not exist B. -10 C. 4 D. -4
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; a5
A. 
B. 
C. 
D. 
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Solve the problem.In how many ways can you answer the questions on an exam that consists of 5 multiple choice questions, each of which has 4 answer choices, followed by 5 true-false questions?
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Find the exact value of the trigonometric expression without the use of a calculator.
A. -2
B. - 
C. -
D. - 
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