A canoeist rows downstream in 0.5 hours and back upstream in 3 hours. What is the rate of the current if the distance rowed is 3 miles in each direction? Give your answer to one decimal place, if required.
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__________ mph
Fill in the blank(s) with the appropriate word(s).
2.5
Mathematics
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Perform the operation and write the result in standard form.
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A. 
B. 
C. 
D. 
E. 
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Evaluate the factorial expression.
A. 2!
B. 
C. 56
D. 
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Determine whether the proportion is true or false by writing the ratios in lowest terms.
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A. True B. False
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Write the rational expression as an equivalent rational expression with the desired denominator.
= 
A. 
B. 
C. 
D. 
Mathematics