Which of the following are solutions to the equation below? x^2-6x+40=6x+5

How do i do this activity, is 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.

Plzz ! need the answer asap! 7% of 980