Rationalize the denominator and simplify. Assume that variables represent positive values. 

A.
B.
C.
D.


Answer: C

Mathematics

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Find the standard deviation for each data set. Round to one more place than the data.19.6, 12.6, 38.9, 31.8, 22.5, 21.4

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Solve.A florist filled four orders for wedding flowers and made the following amounts of money: $370, $796, and $817. How much money on the average did she make per order?

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Find the circle's circumference or area, as requested. Use 3.14 as the approximate value of ?, and round your answer to the nearest tenth.Find the area.

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