Solve the inequality. Write the answer in set-builder notation.
(x + 5) > 
(x + 8)
A. {x
}
B. {x
}
C. {x
}
D. {x
}
Answer: A
Mathematics
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Rationalize the denominator of the following expression and then simplify your answer.
?
?
A. 
B. 
C. 
D. 
E. 
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Find the cube root.
A. 8 B. 16 C. -4, 4 D. 4
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Write the vector v in terms of i and j whose magnitude 
and direction angle ? are given.
= 12, ? = 180°
A. v = -12i - 12j B. v = -12j C. v = 12j D. v = -12i
Mathematics
A manufacturing company wants to maximize profits on products A, B, and C. The profit margin is $3 for A, $6 for B, and $15 for C. The production requirements and departmental capacities are as follows: 
What is the constraint for the assembling department?
A. 2A + 3B + 2C ? 30,000 B. 1A + 2B + 3C ? 30,000 C. 2A + 3B + 2C ? 28,000 D. 2A + 3B + 2B ? 38,000
Mathematics