Y2 = - 6x this is for precal.. I need to figure out the steps not the answer really

What is the slope of the equation y =

What is the value of x in the following equation. -x ^3/2 = -27

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.