Multiply and simplify any radicals in your answer. Assume that all variables represent positive real numbers.(
+ 
)(
- 
)
A. 
+ 
- 
+ 13
B. 
+ 
- 
- 13
C. 
+ 
+ 
+ 13
D. 
+ 
+ 
- 13
Answer: B
Mathematics
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A. 5.85 oz B. 52 oz C. 36,855 oz D. 28.6 oz
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Find the exact value of the following expression without using a calculator.cos 
A. - 
B. 
C. 
D. - 
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Add or subtract by first simplifying each radical (if needed) and then combining any like radical terms.
- 2
- 7
A. 56
B. -72
C. -26
D. 56
- 7
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