Solve the system of equations by Gaussian elimination.
A. {(5, 2, 1)}
B. {(1, 2, 5)}
C. {(1, 5, 2)}
D. ?
Answer: B
Mathematics
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Determine whether the number is divisible by 2, 3, 4, 5, 6, 7, 8, 9, and/or 10.2867
A. None B. 3, 7 C. 3, 5 D. 3
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Write in terms of the cofunction of a complementary angle.tan 80°
A. tan 10° B. cot 170° C. cot 10° D. cot 100°
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Find the zero of the linear function.s(t) = 
t - 5
A. -1 B. 1 C. 20 D. -20
Mathematics
Solve the rational inequality. Express the solution in interval notation.
> 0
A. (-1, 5) B. (-?, -1) C. (5, ?) D. (-?, -1) ? (5, ?)
Mathematics