Pls help 10 pts
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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.

John has 1/2 pound of oranges to share with julie. if they share the oranges equally, how much will each of them have?

The circle below is centered at the point (3, 1) and has a radius of length 2. what is the equation?