Simplify the complex fraction.
A. 
B. 
C. 
D. 
Answer: B
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Use the preference table to answer the question.A condominium association is holding an election for president of the board of directors. Each member ranks the candidates from first to fourth. The preference table below shows the results of the ballots with candidates Abbott(A), Blake (B), Cleary (C), and Downs (D). 
Determine the winner using the plurality method.
A. Downs B. Abbott C. Blake D. Cleary
Find the equation of the hyperbola satisfying the given conditions.Vertices at (0, ±2); foci at (0, ±11)
A. 
- 
= 1
B. 
- 
= 1
C. 
- 
= 1
D. 
- 
= 1
Provide an appropriate response.Suppose that A and B are two matrices such that A + B, A - B, and AB all exist. What can you conclude about the dimensions of A and B?
A. A and B are square matrices of the same dimension. B. There are no dimensions of A and B that would make this possible. C. A is a row matrix and B is a column matrix. D. A and B have the same dimension, but are not necessarily square matrices.
Subtract.(12x + 25xy - 9y) - (18x - 21xy - 16y)
A. -13x + 6xy + 25 B. 47xy C. -6x - 46xy - 25y D. -6x + 46xy + 7y