Solve the system of equations by finding the reduced row echelon form for the augmented matrix.x + 4y = 03x - y = 13-3x + 4y = 0
A. (8, -2)
B. No solution
C. (0, 0)
D. (4, -1)
Answer: B
Mathematics
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.
A. 
B. 
C. 
D. 
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Fill in the blank(s) with the appropriate word(s).
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Solve.Mark's typing speed is 79 words per minute. How many words can he type in 41 minutes?
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- 
? 
A. 
B. 1
C. 
D. 
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