Perform the row operations on the matrix and write the resulting matrix.Replace R3 by 
R1 + R2
A. 
B. 
C. 
D. 
Answer: B
Mathematics
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Simplify.
A. -1
B. 
C. 1
D. 
Mathematics
Graph the function.
A. 
B. 
C. 
D. 
Mathematics
Solve the absolute value equation. 
= 3
A. {-11, -5} B. {11} C. {11, 5} D. ?
Mathematics
Perform the indicated operation. Round to the nearest hundredth, if necessary.
A. -20
B. -3.8
C. -0.38
D. - 
Mathematics