Sam puts 14 coins into 4 different rows. the first row has 3 more coins than the second row. the second row has 1 coin less than the third row. the fourth row now has twice as many coins as the second row. find the number of coins in each row.

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

Find the number of liters in 12.8 gal of gasoline. round to the nearest hundredths

Find the least common multiple of the expressions: 1. 3x^2, 6x - 18 2. 5x, 5x(x +2) 3. x^2 - 9, x + 3 4. x^2 - 3x - 10, x + 2 explain if possible