Give all solutions of the nonlinear system of equations, including those with nonreal complex components. xy = 72x + y = -17
A. {(8, 9), (9, 8)}
B. {(8, -9), (9, -8)}
C. {(-8, 9), (-9, 8)}
D. {(-8, -9), (-9, -8)}
Answer: D
Mathematics
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Solve for the unknown in the equation.T - 5 = 11
A. T = 16 B. T = -6 C. T = -16 D. T = 6
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Perform the row operation(s) on the given augmented matrix.R1 = 
r1
A. 
B. 
C. 
D. 
Mathematics
Each matrix is nonsingular. Find the inverse of the matrix. Be sure to check your answer.
A. 
B. 
C. 
D. 
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Perform the indicated operation and write the answer in simplest form.Find the average of 
, 
, and 
.
A. 
B. 
C. 
D. 
Mathematics