Answer:
I think it's -2
Step-by-step explanation:
Answer: Choice A

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Explanation:
The pythagorean theorem is 
The value of c is always the longest side, aka hypotenuse.
The order of 'a' and b doesn't matter.
So a = 14, b = 48, c = 50
We have 
We also have 
Both sides result in 2500 which proves that
is a true statement. Therefore, we do have a right triangle.
Megan will count more because there are 10 ones in 10, but there are only 4 fives in 20.