Solve the system of equations by finding the reduced row echelon form for the augmented matrix. x - y + 2z = 12x+ z = 0 x + 5y + z = -5
A. No solution
B. (0, -1, 0)
C. (0, -1, 1)
D. (0, 0, -1)
Answer: B
Mathematics
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Solve the problem.Find the salary in 2005 dollars that would be equivalent to a $50,000 salary in 2016. Assume an average annual inflation rate of 2% between 2005 and 2016. Round your answer to the nearest cent.
A. $41,017.41 B. $40,213.15 C. $42,025.50 D. $38,107.24 E. $39,568.35
Mathematics
Find the midpoint of the segment having the given endpoints.(8, 4) and (2, 7)
A. (6, -3)
B. 
C. 
D. (10, 11)
Mathematics
Evaluate the following expression.
?
?
A. 1 B. 2 C. -2 D. 0 E. - 1
Mathematics
Simplify the exponential expression.x6y0
A. 0
B. x6
C. 1
D. 
Mathematics