B) 11.62 by cosine formula
The answer is the last one
SUM OF THE ANGLES OF A QUADRILATERAL IS 360°
100°+85°+65°=250°
360°=250°+110°
30 days times 24 hours is 720 hours. 720 hours times 60 minutes in an hour- 43200 minutes. then convert by multiplying 43200 by 60 and get 2,592,000 seconds.
Answer: -1/3
Step-by-step explanation: you count the distance in the x (6) and y (2), then you simplify 2/6 = 1/3, and it facing backwards so it's negative.