Apply the distributive property.(x + y - 9)(-8xy)
A. -8x2y - 8xy2 +72xy
B. -8x2y + 8xy2 +72xy
C. 8x2y - 8xy2 +72xy
D. -8x2y - 8xy2 +72x2y2
Answer: A
Mathematics
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A. 
B. 
C. 
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Solve the problem.An experienced bank auditor can check a bank's deposits twice as fast as a new auditor. Working together it takes the auditors 4 hours to do the job. How long would it take the experienced auditor working alone?
A. 4 hr B. 8 hr C. 6 hr D. 12 hr
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Write the complex number in trigonometric form, using degree measure for the argument.-6i
A. 6(cos 90° + i sin 90°) B. 6(cos 0° + i sin 0°) C. 6(cos 270° + i sin 270°) D. 6(cos 180° + i sin 180°)
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