Solve the system of equations by using substitution. 
A. x = -5, y = 2
B. x = -5, y = -2
C. x = 5, y = -2
D. x = 5, y = 2
Answer: C
Mathematics
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- 
A. 
B. 
C. 
D. 
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Use the line graph to answer the question.The line graph shows the 2001 sales data for the Big "D" company. 
Which month had the lowest sales?
A. Month 3 B. Month 7 C. Month 2 D. Month 5
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Solve the problem.Suppose the following matrix represents the input-output matrix of a primitive economy. How much of each commodity should be produced to produce 5 bushels of yams and 1 pigs?
A.
X = 
B.
X = 
C.
X = 
D.
X = 
Mathematics
Evaluate the given binomial coefficient.
A. 1
B. 6
C. 
D. 5
Mathematics