Consider these figures:
Which figure above, if any, is topologically equivalent to the given figure? Identify the topologically equivalent figure by letter.A coffee cup
A. A
B. B
C. C
D. None of these
Answer: B
Mathematics
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Below are entries in a checkbook. Find the errors in the balance calculations and report the correct final balance for your answer.
A. $9087.24 B. $6690.78 C. $6875.62 D. $9047.24
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Find the domain of the function.
A. {x|7 ? x ? 31} B. {x|-7 ? x < 7 or 7 < x ? 31} C. {x|x ? -7} D. {x|-7 ? x ? 31}
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Solve the system by elimination. If the system is inconsistent or dependent, say so.
A. (20, 4) B. (4, 20) C. infinite number of solutions of the equation 5x + y = 40; dependent system D. empty set solution; inconsistent system
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Find the pivot column of the tableau 
is column.
A. 1 B. 2 C. 3 D. 4
Mathematics