Los angles is about 385 miles from san francisco. how far apart should the city's be on a map with a scale of 1in=1515mil

Chose the graph below that represents the following system of inequality’s

Jorge planted flowers in his garden he planted one row of 12 tulips and one row of 36 daisies george's friend kylie has a garden with 75 flowers in it kylie's garden only contains tulips and daisies. is it possible for kylie‘s garden she have the same ratio of tulips to daisies as george's garden?

How do i simply this expression (quadratic formula basis) on a ti-84 or normal calculator?