Solve the system of equations.3x + 3y + 3z = 39x + 10y + 11z = 126x + 7y + 8z = 9
A. ?
B. {(-2, 3, 0)}
C. {(x, y, z) ? 6x + 7y + 8z = 9}
D. {(-2, 6, 0)}
Answer: C
Mathematics
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Write the interval as an inequality involving x, and illustrate the inequality using the real number line.[-1, 8)
A. -1 ? x < 8
B. x < 8
C. -1 < x ? 8
D. -1 ? x < 8
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Decide whether or not the stochastic matrix is regular.
A. Yes B. No
Mathematics