All Tied Up (Task 1)

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 origin" box and the hints below it once you start on part b). of Task 1. Tick the "4 units from origin" box to start on part b). of Task 1. Again tick the "Hint" box if needed.