Answer:
The fuel efficiency of Lily's car in kilometers per liter is 12.5 km/litre.
Step-by-step explanation:
You first need to change the percent into a decimal then multiply by 80 to get your answer
.35*80=28
This is a vertical line. Vertical lines are composed by points who share the same x coordinate.
That's why the equation of the line is exactly
, where k is the shared x coordinate.
In your case, the common x coordinate is 3, so the line is 
Your y values should not move in any direction whatsoever because you just said your x values are only moving
Isosceles Triangle.
Hope this helps! :)