Solve the problem.One conveyor belt can move 1000 boxes in 12 minutes. Another can move 1000 boxes in 11 minutes. If another conveyor belt is added and all three are used, the boxes are moved in 3 minutes. How long would it take the third conveyor belt alone to do the same job?
A. 
minute
B. 6
minutes
C. 
minute
D. 1
minutes
Answer: B
Mathematics
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Use this graph to answer the question.Big "D" Sales for Year 1, Year 2 
MonthWhat month in Year 2 had the lowest sales?
A. Month 5 B. Month 12 C. Month 3 D. Month 2
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Find the quotient.
A. 0.49 B. 490 C. 49 D. 4900
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Graph the equation.6x2 + 5
xy + y2 = 20
A. 
B. 
C. 
D. 
Mathematics
Solve. Graph the solution on a number line, and express it in interval notation.3x < 6
or
x + 2 ? 11
A. x > 2, (2, ?)
B. x ? 9, (-?, 9]
C. x ? -9 or x > 2, (-?, -9] ? (2, ?)
D. x < 2 or x ? 9, (-?, 2) ? [9, ?)
Mathematics