It would equal 5.20043337 but rounded to the tenths would be 5.2 I think
Assignment: 
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Answer: 
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Explanation: 
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[ Step One ] Apply PEMDAS Order Of Operations
Note: 

[ Step Two ] Rewrite Equation

[ Step Three ] Calculate Exponents

[ Step Four ] Rewrite Equation

[ Step Five ] Calculate Exponents

[ Step Six ] Rewrite Equation

[ Step Seven ] Divide

[ Step Eight ] Rewrite Equation

[ Step Nine ] Add

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Answer:
It has 6 vertices. As what you listed 06.
Answer:
Me
Step-by-step explanation:
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A should be correct. hope this helped