Find the rectangular coordinates of the point
a. (-2,-213)
b. (-2,283)
C (2-203)
d. (2,2,3)

Hi, can anyone show me how to do this problem? 100 points for this. in advance

If the endpoints of the diameter of a circle are (8, 6) and (2,0), what is the standard form equation of the circle? a) (x + 5)2 + (y + 3)2 = 18 (x + 5)2 + (y + 3)2 = 3.72 (x - 5)2 + (y - 3)2 = 18 d) (x - 5)2 + (y - 3)2 = 32

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?