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.
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Step-by-step explanation:
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1,000,000,000 (one billion, short scale; one thousand million or milliard, yard, long scale) is the natural number following 999,999,999 and preceding 1,000,000,001. ... Previously in British English (but not in American English), the word "billion" referred exclusively to a million millions (1,000,000,000,000).
Answer:
Step-by-step explanation:
54 / 6= 9
9 points per minute
Answer:
15-16=-1
Step-by-step explanation: