Determine whether the sequence converges or diverges, and, if it converges, find 
an.an = 1 + (-1)n + (-1)n(n+1)
A. 3
B. 1
C. 0
D. Diverges
Answer: D
Mathematics
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Evaluate the integral.
A. 370
B. 185
C. 
D. 555
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Solve the equation.(y - 5) - (y + 4) = 8y
A. - 
B. - 
C. - 
D. - 
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Translate the problem to a system of equations, then solve using Cramer's Rule.The perimeter of a rectangle is 24 meters. If the width is doubled and the length is tripled, the perimeter is 60 meters. Determine the original width and length.
A. width = 10 m, length = 20 m B. width = 8 m, length = 12 m C. width = 6 m, length = 6 m D. width = 12 m, length = 12 m
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Perform the indicated division or state that the expression is undefined.
A. -8 B. -9 C. 9 D. -10
Mathematics