Solve the system of equations by the substitution method. Check your solutions.
A. {(-2, -1), (-1, -2)}
B. {(2, 1), (-1, -2)}
C. {(-2, 1), (-1, 2)}
D. {(2, -1), (1, -2)}
Answer: B
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Use this graph to answer the question.Big "D" Sales for 2009 and 2010 
MonthWhat was the total increase in sales for the first 6 months from 2009 to 2010?
A. $12,000 B. $76,000 C. $18,000 D. $652,000
Provide an appropriate response.
Determine which of the symbols, <, =, >, if placed in the blank would yield the correct answer: -62 _____ -22
2
A. > B. < C. = D. none of the above
Solve the system using the addition method. If the system is inconsistent and has no solution, state this. If the system is dependent, write the form of the solution for any real number x.x + y = -6x + y = -4
A. (0, -10) B. (-6, -4) C. Dependent, (x, -10 - x) D. Inconsistent, ?
Identify the radicand.
A. x + 2
B. 
C. x
D. 