$5 divided by 1 hour equals what over 3 hours

Jordan rides his bike 6 7/15 miles every day to deliver newspapers and to go to and from school. if his ride to and from school is 4 3/10 miles, how many miles is the trip to deliver newspapers? 1 1/3 1 1/6 2 1/6 2 4/5

Complete the standard form of the equation that represents the quadratic relationship displayed above, where a, b, and c are rational numbers.

100 points, hi, i’m not sure how to get the equation from the graph and table.