Start the line at 3 on the y-axis (vertical). then go down two boxes and to the right three & make a mark at that point. keep going down two and over three until the end of the graph. then just connect the marks.
The answer is 66% because you divide 5.28 divided by 8
B shows her getting closer to home, immediately turning round, gives time for finding book then riding all the way home at a constant speed
A shape with 4 angles always have 360 degrees altogether.
Which means:
43 + 167 + 90 + y = 360
y = 360 - 43 - 167 - 90
y = 60