The lowest point in Japan is 4 meters below sea level. The lowest point in Mali is 23 meters above sea level. What is the change in elevation from the lowest point in Mali to the lowest point in Japan? -27 meters -19 meters 19 meters 27 meters

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.