Write the augmented matrix for the system. 4x + 5y + 3z = 45 6x + 2y - 2z = 34 2x + 6y + 5z = 40
A. 
B. 
C. 
D. 
Answer: B
Mathematics
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A. 40x + 16 B. -16x + 12 - 4 C. 16x + 8 D. -16x + 8
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Factor completely.3x2 - 9xy - 12y2
A. 3(x + y)(x - 4y) B. 3(x - y)(x + 4y) C. prime D. (3x - 3y)(x + 4y)
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Express the number in terms of powers of the numbers in the expression.2 ? 2 ? 2 ? 3
A. 2 ? 3 B. 2 ? 33 C. 23 ? 3 D. 3(2) ? 3
Mathematics
?Solve the system of linear equations.
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A. ?
B. ?
C. ?
D. ?
E. ?
Mathematics