Which of these groups of relative frequencies would be best represented by a pie chart

Me what is the value of x? showing work would be appreciated - ! : )

Two lines parallel to a third line are parallel to each other. always sometimes or never

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