Solve. If no solution exists, state this.
- 
= 
A. 24
B. 6
C. -6
D. 0
Answer: B
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For an election with four candidates (A, B, C, and D) we have the following preference schedule:
In this election,
A. C is a Condorcet candidate. B. D is a Condorcet candidate. C. every candidate is a Condorcet candidate. D. there is no Condorcet candidate. E. none of these
Solve the problem, if possible. Round your answer to the nearest tenth, when appropriate.A square has an area of 49 in.2. If the same amount is added to the length and removed from the width, the resulting rectangle has an area of 45 in.2. Find the dimensions of the rectangle.
A. 5 in. by 10 in. B. 4 in. by 9 in. C. 5 in. by 9 in. D. Cannot be determined without additional information
Graph.f(x) = ?x + 2? - 1
A. 
B. 
C. 
D. 
Determine the size of matrix A and tell whether it is a square matrix, row matrix, column matrix, or none of these.A = 
A. 20; row matrix B. 5 × 4; none of these C. 4 × 5; none of these D. 4 × 4; square matrix