4. The area of the top surface of the water in a circular swimming pool is about 258 square feet. Estimate the radius of the pool, to the nearest foot.​

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.