I think it was decreased by 20% it by chance might be wrong but tell me if im right
I manage to check the graph from other source. I think the answer will be "<span>The slope is 0.40 and it represents the cost per mile traveled."
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Answer:
It's true
Step-by-step explanation:
Operating the square we have:

Here we can factorize n:

The last line means our number (
) is divisible by n.
The clause of n>2 is true, but even its true for
because when n=1 the theorem means that the expression is divisible by 1, but this it's true for every integer, and for n=0 the expression will be 0 and 0 it´s divisible by 0 (Following the definition a|b if a=nb, with a, b and n integers).