Simplify 7(5x - (7 - 7y + 7x) + 3y)

-44x + 69y - 48
71x + 81y - 44
1x + 67y - 39
84x + 40y - 13
none of the above

Aline on the wall and a line on the floor are skew. 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

How many $20 bills do you need to have to make $280