Find the slope (-3, 7) and (0, - 2) Can show steps too please I’ll mark u brainliest

Ineed to know the answer right now! !

3women sell hats at a craft fair weekly. the money they make at the fair is split into categories. 9% goes to pay taxes. $55 goes to pay rent for the space they sell in. the rest is split between the women. if the group make $706 at the fair, how much does each women get paid once the money is divided

I’m really confused and need your assist me with this question i’ve never been taught