The task is to generate the correct answer for a given math problem.

Q: Problem: if 5 a = 3125 , then the value of 5 ( a - 3 ) is :

A: 25
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Q: Problem: what is the diagonal of a square field whose perimeter is 64 m ?

A: 16 √ 2 m
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Q: Problem: a set s = { x , - 8 , - 5 , - 1 , 1 , 6 , 9 , y } with elements arranged in increasing order . if the median and the mean of the set are the same , what is the value of | x | - | y | ?

A:

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