Write the system of linear equations as a matrix equation AX = B, and use Gauss-Jordan elimination on the augmented matrix 
to solve for the matrix X.
A. 
B. 
C. 
D. 
E. 
Answer: D
Mathematics
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Represent the following with a graph.Create a graph that models the bordering relationship among the states shown in the map. Use vertices to represent the states and edges to represent common borders.
A. 
B. 
C. 
D. 
Mathematics
Refer to the weighted voting system 
and the Shapley-Shubik definition of power. (The five players will be called P1, P2, P3, P4, and P5.)In how many sequential coalitions is player P5 pivotal?
A. 36 B. 6 C. 24 D. 12 E. none of these
Mathematics
Add.10 + (-18)
A. 8 B. -8 C. -28 D. 28
Mathematics
Write the word statement in symbols.Two is less than or equal to nine.
A. 2 ? 9 B. 2 > 9 C. 2 < 9 D. 2 ? 9
Mathematics