7oz. for $1.75 unit price

Look at this expression. a3b3c a-3b-3c-1 which of the following is the simplest form of the expression above?

Find the number of positive three-digit even integers whose digits are among 9, 8, 7,5, 3, and 1.

Dean and karlene get paid to write songs. dean is paid a one-time fee of $20 plus $80 per day. karlene is paid a one-time fee of $25 plus $100 per day. write an expression to represent how much a producer will pay to hire both to work the same number of days on a song.