Me ! which two terms can be combined in this expression?

6 + 3.2 m + two-fifths n minus startfraction m over 5 endfraction
6 and 3.2 m
3.2 m and negative startfraction m over 5 endfraction
two-fifths n and negative startfraction m over 5 endfraction
6 and negative startfraction m over 5 endfraction

Jamie is hiking up a small mountain. he climbs up at a constant rate of 300 feet/hour until he reaches the peak at 1,500 feet. after that, he hikes down at the same rate to the base of the mountain. the equation that models jamie’s elevation, e, after t hours is e = . jamie’s elevation will be 600 feet after hours and after hours.

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

27 is what percent of 108? 27 is % of 108