The augmented matrix of a system of equations has been transformed to an equivalent matrix in row-echelon form. If the system is consistent, then give the solution. If it is not, then state that it is inconsistent.
A. (-1, -3, 2)
B. (-3, -2, 2)
C. (-18, -2, 2)
D. Inconsistent
Answer: B
Mathematics
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Perform the indicated operation and simplify. 
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A. 
B. 
C. 
D. 
Mathematics
Calculate 
.
?
?
A. 
B. 
C. 
D. 
E. 
Mathematics
Write an equation to represent the situation. Then, solve the equation.One case of CDs containing 34 units sold for $238.00. Find the cost of each CD.
A. 34c = 238; $7.00
B. 
= 238; $0.14
C. 34c = 238; $0.14
D. 
= 238; $7.00
Mathematics
Solve the equation.42x = 2x + 1 (Round to the nearest thousandth.)
A. 0.500 B. 0.333 C. 1.000 D. 1.500
Mathematics