Geometry math question no guessing and show work you

Given distance are on straight line

we can break the line in few parts and the complete length can be taken as sum of length of each part

so here

We can see :

JD+ DM= 84 when we plug values we get

17 + DM = 84

DM= 84 - 17

DM= 67

Answer : option C

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)