Provide an appropriate response.Suppose that you are solving a system of three linear equations by the Gauss-Jordan method and obtain the following augmented matrix. 
What row operation would you perform next?
A. Add -5 times row 1 to -11 times row 3 to obtain a zero in the third row, second column position.
B. Multiply row 2 by - 
.
C. Add row 1 to row 2.
D. Multiply row 1 by - 
.
Answer: B
Mathematics
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A. 23
qt
B. 22
qt
C. 24
qt
D. 44
qt
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Translate using numbers and symbols.Fifteen minus a number
A. t - 15 B. 15 - t C. 15 ÷ t D. 16 - t
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Classify the function as a linear, quadratic, or exponential.f(x) = x2 + 9
A. Exponential B. Quadratic C. Linear
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Solve, finding all solutions in [0, 2?). Give an exact answer unless indicated otherwise.4.2 cos x + 2.1
= 0
A. 
, 
B. 
, 
C. 
, 
D. 
, 
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