Solve using Cramer's rule, if possible. If it is not possible, state whether the system is inconsistent or has infinitely many solutions.
A. (6, 4, 1)
B. (6, 1, 6)
C. (5, 6, 1)
D. (5, -6, -1)
Answer: C
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Determine whether the function is a probability density function over the given interval.f(x) = 10x over 
A. Yes B. No
Consider these figures:
Which figure above, if any, is topologically equivalent to the given figure? Identify the topologically equivalent figure by letter.An unzipped jacket
A. A B. B C. C D. None of these
Solve the problem.The Mathematics Department is holding an election for department chair. Each member ranks the candidates from first to third. The voter profile below shows the results of the preliminary nonbinding ballots with candidates Clark (C), Jones (J), and Smith (S). 
A second election is then held with the following voter profile: 
Use the Pairwise Comparison Method to determine the winner, and determine if the Monotonicity Criterion is violated in this selection process.
A. Jones, no B. Smith, yes C. Jones, yes D. Smith, no
Find an equation of variation in which y varies inversely as x and the following is true.y = 6, when x = 19
A. y = 114x
B. y = 
C. y = 
D. y = 