Marcus and Lily want to decorate their classrooms by putting a border across the top of two square walls. Marcus's wall has an area of 100 square feet, while Lily's wall has an area of 121 square feet. What are the lengths of their
borders?
Marcus's border is
Lily's border is
feet long.
feet long

ummm seems that u didnt post the attachement !

aloha~! my name is zalgo and i am here to you out on this amazing day. to answer your question, yes, nonzero numbers can have a greatest common factor and that would be 1. still don't get it? let me considering every number is divisible by 1 and hence every number has 1 as a factor of theirs. so, if 2 nonzero numbers didn't share any gcf (greatest common factor), they would still have a factor in common and that would be 1.

i hope that this ! : p

"stay and stay proud! " - zalgo

(by the way, do you mind marking me as brainliest? i'd greatly appreciate it! mahalo! x3)

i believe it's a.

i'm not sure on this one, most likely correct.

english maybe i can ..