Solve the system of equations by Gaussian elimination.
A. {(5, -60)}
B. {(5, -7)}
C. {(-20, -60)}
D. ?
Answer: D
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Use the Trapezoidal Rule with n = 4 steps to estimate the integral.
A. 
B. 
C. 
D. 
Solve the problem.Consider the generic weighted voting system [q : w1, w2, w3, w4, w5]. Suppose that the winning coalitions are exactly those having 3 or more players. Compute the Banzhaf power index of player P1.
A. 
B. 
C. 
D. 0
E. none of these
Solve the problem.Determine if the number is a perfect square.6
A. Yes B. No
Provide an appropriate response.Describe the characteristics of an augmented matrix in diagonal or reduced-row echelon form.
A. The matrix has ones on the main diagonal and zeros above the main diagonal. B. The matrix has zeros on the main diagonal and ones below the main diagonal. C. The matrix has ones on the main diagonal and zeros everywhere else. D. The matrix has ones on the main diagonal and zeros below the main diagonal.