Find the x- and y-intercepts of the graph of x – 3y = 21. State your answers as whole numbers or as improper fractions in simplest form. Help me plss any help is rlly appreciated!!

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.