He drives 160 miles to and from work a week
-6/7 because it’s rise over run, we are going down so it’s negative, 10 down and 9 to the left which is -0.9 and -6/7 it’s -0.857 and if we round this number we have -0.9 left
19^2 or 361 is the answer to the equation
20 didn't do it for this one.