All Tied Up (Task 2)
Tick "Hint 1" if you need a small hint to get started on solving the problem.
And then "Hint 2" and "Hint 3" if needed.
Un-tick the "5 units from the point (-1, 0)" box and the hints below it once you start on part b). of Task 2.
Tick the "4 units from the point (0, 0.5)" box to start on part b). of Task 2.
Again tick the "Hint" box if needed.