Answer:
8-3n
The way you know is 8 is the hidden word....
in there and it say 3 times nathans...
So you will take n and times it bye 3..
by doing 3n so 8-3n is your anwser...
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A, because: 20x10 1/2=210
And 20x11 1/4=225
And 225-210=15
So thats the answer.
Start with 2. Then subtract from it (2x - 7)^2.
2 - (2x - 7)^2
8(6x + 5) + 2x
8(6x) + 8(5) + 2x
48x + 40 + 2x
50x + 40
Out of that particular list, the only description
that applies to 2.5 is "rational".