Please help me with this triangle question. Thanks!

Which system of linear inequalities is represented by the graph?

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.

What is the slope of the line that passes through the points (–9, 2) and (0, 4)? the slope of the line is