Using Cramer's Rule, what is the value of x in the solution to the system of linear equations below?

Graph the equation by plotting point x=2

The square root of 9x plus 7 plus the square rot of 2x equall to 7

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.