since the graph has direct variation as data in x axis increases y also increases.
so we need to find how many miles travelled per galloon .
we distance travelled per gallon =total distance travelled/galoons of fuel used.

for part b) slope=rise/run



slope of the graph is 2
Answer:
X= -1 or X= -3 . Probably the first one
Step-by-step explanation:
-1/4
I really hope this helps