Aiuda plis necesito para hoy

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

If, while training for a marathon, you ran 60 miles in 2/3 months, how many miles did you run each month? (assume you ran the same amount each month) write your answer as a whole number, proper fraction, or mixed number in simplest form. you ran __ miles each month.

Can somebody 1. what is the formula for finding the vertical distance between two points on a coordinate plane?