Perform the indicated operation.21 lb 14 oz - 12 lb 4 oz
A. 34 lb 2 oz
B. 9 lb 10 oz
C. 33 lb 2 oz
D. 8 lb 10 oz
Answer: B
Mathematics
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Find the area of the specified region.Inside the circle r = 
sin ? and outside the cardioid r = 1 + cos ?
A. 
B. 
C. 
D. 
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Find the volume of a pyramid 12 ft high with a 20-ft-by-20-ft square base.
What will be an ideal response?
Mathematics
Multiply. Simplify, if possible.11 ? 
A. - 
B. -55
C. - 8
D. - 
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Solve the rational inequality. Write the solution in interval notation.
> 0
A. (-9, 7) B. (-?, -9) C. (7, ?) D. (-?, -9) ? (7, ?)
Mathematics