Answer: B
Explanation: Hope this helped. And sorry if you get it wrong
It covers a more understandable distance that can be determined by a more reasonable unit of measure.

1) x=9, because we can use the Pythagorean theorem, x^2 + 144 = 225, x^2 = 81
2)
, because 6^2 +6^2 = 72, 
3)
, because 
hope this helps... load for images!
Answer:
<h3>thx</h3>
the process by which plants and animals make their own food in presence of water and