Find the value for C

Which undefined geometric term is described as a location on a coordinate plane that is designed by an ordered pair (x,y) ?

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

Solve: 3x+y=6 4x-2y=18 show all work !