What is the common multiple of 6 and 15?

If c(x) = 4x – 2 and d(x) = x2 + 5x, what is (cxd)(x)

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

Which of the following is the explicit rule for a geometric sequence defined a recursive formula of a -5a for which the first term is 23?