Ineed with this. it’s for 15 pts. just do 4-6 not the other ones. and also do it step by step.

David leaves his house to go to school. he walks 200 meters west and 300 meters north. how far is david from his original starting point?

Acentral angle measuring 160 degrees intercepts an arc in a circle whose radius is 4. what is the length of the arc the circle formed by this central angle? round the length of the arc to the nearest hundredth of a unit. a) 4.19 units b) 6.28 units c) 12.57 units d) 12.57 square units

What is the angle measure, or angle of depression, between this bird and the bird watcher?