What is the reciprocal of 2/9

Which system of linear inequalities is graphed? can somebody pleasssse

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.

What is the solution to the equation e3x=12? round your answer to the nearest hundredth