Answer:
D
Step-by-step explanation:

is in the 3rd quadrant... (It is also 210 degrees)
To find the reference angle (which is the distance to the x-axis)

(or 30 degrees)
sin
If 6/20 took the bus then there is 14/20 remaining.
6/20 simplified is 3/10.
14/20 simplified is 7/10.
Hope This Helps You!
<span>Good Luck Studying :)</span>
The events are independent because they are not affected by the other coin toss. Hope this helps^-^