The teacher has hidden an object somewhere in the school for his students to find. Starting from the middle of the commons they move 200 feet east,...

The teacher has hidden an object somewhere in the school for his students to find.  Starting from the middle of the commons they move 200 feet east, then 150 feet south, then 100 feet north.  a.  What is the displacement (magnitude and direction) of the object from the center of the commons?  b.  How much distance did the team travel when hiding it?