please help IN A CONE YOU ARE GIVEN A DIAMETER OF 12 IN, A SLANTED HEIGHT OF 20 IN, FIND THE ACTUAL HEIGHT AND VOLUME OF THE CONE.

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.