Solve the system of equations by elimination.3x - 5y = -126x + 8y = -24

A. (-4, 0)
B. (0, 4)
C. (0, -4)
D. (4, 0)

Answer: A

Mathematics

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A. 8% B. 10% C. 12% D. None of the above is correct.

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L'Hopital's rule does not help with the given limit. Find the limit some other way.

A. ? B. 1 C. 0 D. -1

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Evaluate the integral.

A. x sin(ln x) + x cos (ln x) + C
B. x sin(ln x) - x cos (ln x) + C
C. x sin(ln x) - x cos (ln x) + C
D. x cos(ln x) - x sin (ln x) + C

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Find the unit vector having the same direction as v.v = -12i - 5j

A. u = i + j
B. u = -156i - 65j
C. u = - i - j
D. u = - i - j

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