Write the vector in the form ai + bj. 
A. 9i + 2j
B. -2i + 9j
C. 9i - 2j
D. 2i + 9j
Answer: B
Mathematics
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A. 26
B. 26
C. 27
D. 27
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Evaluate the cylindrical coordinate integral.
A. 9 - ln 2 B. 18 - ln 2 C. 18? + ln 2 D. 9? + ln 2
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Simplify the square root. Assume all variables represent nonnegative real numbers.
A. 6000xy14 B. 50x15y14 C. 10x15y14 D. 10,000x60y56
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