Solve the problem.The human resources director of a small company interviewed nine people for an entry-level position. Two were rated as highly qualified, five were rated as qualified, and two were rated as unqualified. In how many different ways could the ratings be assigned?
A. 126
B. 1680
C. 280
D. 756
E. none of these
Answer: D
Mathematics
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Decide whether the statement makes sense. Explain your reasoning.Since our state is evenly divided between Democrats and Republicans, I figure that each of the congressional races will be decided by a small margin.
What will be an ideal response?
Mathematics
Solve and graph.3x2 + 4x - 4 ? 0
A. x ? -2 or x ? 
B. x ? 
C. x ? -2
D. -2 ? x ? 
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Write a numerical expression for the phrase and simplify it.The sum of 7 and -7, decreased by 8
A. [7 + (-7)] + 8; 8 B. [7 - (-7)] - 8; 6 C. [7 + (-8)] + 7; 6 D. [7 + (-7)] - 8; -8
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Rationalize the denominator and simplify. Assume that all variables represent positive real numbers.
A. 
- 
B. 
C. 
+ 
D. 
- 
Mathematics