Perform the row operation(s) on the given augmented matrix.(a) R2 = -4r1 + r2(b) R3 = 4r1 + r3(c) R3 = 3r2 + r3
A. 
B. 
C. 
D. 
Answer: A
Mathematics
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A. 999 B. 909 C. 990 D. 900
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Calculate. Write answer in lowest terms.
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A. 
B. 
C. 
D. 
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Solve.-27 = -29 + y
A. y = -2 B. y = 56 C. y = 2 D. y = -56
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Graph the function.f(x) = 3-x
A. 
B. 
C. 
D. 
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