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Any help from anyone would be greatly appreciated. I know it seems simple to those who are familiar but I have no background in this type of equations.

1. A helicopter travels northwest 70.7 miles, then straight east 100 miles, and finally straight south 100 miles. How far and in what direction is it from point of origin?

2. A ship sails 100 miles northwest then 141.4 miles due south. How far and in what direction is it from its starting location?