Solve.An experienced accountant can balance the books twice as fast as a new accountant. Working together it takes the accountants 6 hours. How long would it take the experienced accountant working alone?
A. 3 hr
B. 12 hr
C. 9 hr
D. 15 hr
Answer: C
Mathematics
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2
A. 8 B. Not real number C. -8 or 8 D. -8
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A. tan ? = 
B. tan ? = 
C. tan ? = 
D. tan ? = 
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Perform the indicated operations. Write the answer in the form a + bj.
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A. 10.2 + 11.1j B. 10.2 + 5.5j C. 10.2 - 5.5j D. 5 + 5.5j
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