Use rational exponents to write a single radical expression. 

A.
B.
C. 42
D.


Answer: A

Mathematics

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Write the sentence as a proportion.21 is to 7 as 27 is to 9

A.  =  
B.  =  
C.  =  
D.  = 

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Convert the angle to decimal degree notation. Round your answer to two decimal places.80°40'

A. 80.74° B. 80.68° C. 80.69° D. 80.64°

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Evaluate the function.f(x) = -x + 6, f(4)

A. 4 B. 2 C. -2 D. 8

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Round the decimal to the given place value.16.74747, nearest hundredth

A. 16.747 B. 16.76 C. 16.75 D. 16.7475

Mathematics