"See Aztec Empire. The Aztecs used two different calendar systems, one with a cycle lasting 260 days and the other with a 365-day cycle. The 260-day calendar cycle, known as the tonalpohualli (counting of the days), was a sacred calendar used mainly by priests to predict the future.
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There were Daykeepers that kept track of the days. I hope this helped.
Answer:
A
The ship seems to be in danger.
William of Normandy was obviously a French conqueror, so his own people tended to see him more favorably than the English. He came to England, killed its ruler, and took the throne for himself (thus becoming William I), so the English may have seen him as a usurper and a tyrant, whereas the French saw him as a victorious hero. This all happened in 1066, at the Battle of Hastings.
He demonstrated the mathematical equation by solving it on the board.