Answer:
B.) is the answer bro I got the same test bro like just trust me and give me 5 start and like and give a heart
Circumference formula tells you

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The formula to find the area of a circle is

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In which language?
Please tell me the language java, c++, cetc?
To find the mean of a set, add up all of the numbers and divide by how many numbers you have. For the first set:

For the second set:

To find the mean absolute deviation, (MAD) find the mean of the distances of each number from the mean.
For the first set:

For the second set:

Note that when you only have two data points the mean is directly between them, which is why the distances are the same.
The means-to-MAD ratio is simply that, divide one by the other and that's it.
For the first set:

For the second set: