He ANWSER I got would be c idk if this is right or not I honk it might be
we know that s = 3, so plug it in.
P = 6(3)
P = 18
perimeter = 18 km
35 + 14
The greatest common factor for both is 7. Factor out 7
7(5 + 2) is your answer
Hope this helps
When you can divide, or multiply by the same number. for numerator and denominator.