Answer:
2.5 Gallons were used each hour
Step-by-step explanation:
Take the total gallons used (5) and divide it by the total flight time (2hours).
5 divided by 2 = 2.5gallons
Let
and 

We have

Therefore

We have the equation of a line:

Put the coordinates of the point (0, 7) to the equation of a line:

Answer: 
Answer:
12.56 mm²
Step-by-step explanation:

Plug the given values into the area equation

Therefore, the area of the circle is 12.56 mm².
I hope this helps!
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