PLEASE ANSWER THIS IS URGENT!

I'll give brainliest if you answer right : )

Ataxi company charges $2.25 for the first mile and then $0.20 per mile for each additional mile, or f = $2.25 + $0.20(m - 1) where f is the fare and m is the number of miles. if juan's taxi fare was $6.05, how many miles did he travel in the taxi? if juan's taxi fare was 7.65, how many miles did he travel in taxi

Find the greatest common factor of the followig monomials 21u^5v,3u^4v^6, and 3u^2v^5