N=410,439
You can just type your problem into a calculator-- you're just finding out what 420,008-9,569 is. :)
-5^2+9x-9 (need more space to answer)
Assignment: 
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Answer: 
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Explanation: 
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[ Step One ] Rewrite 

[ Step Two ] Rewrite Equation

[ Step Three ] Apply Exponent Rule
Note: 

[ Step Four ] Refine

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Answer:
A. 361 meters squared
Step-by-step explanation:
hope it helps:)