12+12+3= 27 feet
c= π=3.14 (3)c=9.42 feet
your total would be 9.42 + 27 = 36.42 feet
Hope this helps
You would have to make common denominators
consider a/b,c/d in Q
then a/b - c/d = ad/db - cb/bd = (ad-cb)/db for all a,b,c,d in R, exclude b,d=0
i.e. 1/2 - 1/4
=4/8 - 2/8 =(4-2)/8=2/8 =1/4
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Thus ;

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Answer:
0.83
Step-by-step explanation:
The 3 keeps going on and on and on :)