B. Never
The event has to happen in order to be complemented. Not every event is complemented, but the event itself can only and always be an event.
Answer:
r equals start fraction cap a minus p over p t end fraction
Step-by-step explanation:
Subtract the term non containing r, then divide by the coefficient of r.

Answer:
x=20
Step-by-step explanation:
2x-25=15
2x=40
x=20
Answer:
50/50 because you will most likely pull cola your first time