Https://www.dropbox.com/s/vnurvg2iqim6xnd/Screenshot%202016-10-18%2008.25.52.png?dl=0
You can use the equation rise over Run you go up 4 and over 6 and you go down 2 and over 8 (im not sure if this helps)
The answer to your question is 0.83
Answer:

Step-by-step explanation:
x²+20x-12=0
a = 1, b = 20, c = -12


Typically, you plot independent (x) vs dependent (y). Also, we list the variables on a table as x on top and y below. In this situation the miles travelled would be the variable the researcher controls (the independent variable) and number the of gallons used would be what was measured (the dependent variable). Answer J