U will get 15 points pls help

Geometry ? i don't know how to do any of these.

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 equation of the line with slope =8 and passing through (6,53) write your equation in the form y=mx+b