Can someone help me with this algebra problem?

At his new job, jeremiah can choose an hourly rate of $9 plus a $50 weekly bonus for opening the store, or an hourly rate of $10 per hour with no opening bonus. the equations model his salary options. y = 9x + 50 y = 10x

Use set buikder notation to represent the following set: {, -2, -1, 0}

What are the coordinates of the point that is 1/3 of the way from a to b? a (2,-3) b (2,6)