Ican't seem to find the answer for number 2 can someone at least give me a hint?

What expression is equivalent to 1/2(2+3x-6)

M.xyz =radians. covert this radian measure to its equivalent measure in degrees.

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.