Solve the system of equations by the addition method.
A. (5, -4)
B. (5, 4)
C. (-5, 4)
D. (-5, -4)
Answer: A
Mathematics
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Provide an appropriate response.Add: 5 + 210 + 8,023 + 99
A. 13,232 B. 8,233 C. 8,337 D. 13,332 E. none of the above
Mathematics
Refer to the weighted voting system 
and the Banzhaf definition of power. (The four players are P1, P2, P3, and P4.)What is the weight of the coalition {P2, P3, P4}?
A. 9 B. 10 C. 12 D. 6 E. none of these
Mathematics
Use the Gauss-Jordan method to find A-1, if it exists.A = 
A. 
B. 
C. 
D. Does not exist
Mathematics
Evaluate the expression. Write your answer without exponents.(-10)0
A. -10 B. 0 C. -1 D. 1
Mathematics