Find the unknown length in the right triangle. Simplify the answer if necessary. 
feet
feet
A. 8
ft
B. 2
ft
C. 10 ft
D. 20
ft
Answer: B
Mathematics
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Simplify the exponential expression using the rules for exponents.
A. 
B. 
C. 
D. 
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Insert < or > to make the statement true.-5 _____ 0
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List all numbers for which the rational expression undefined.
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