what's your favorite messaging platform?

How would the previous sentence be correctly capitalized?
Answer: What's your favorite messaging platform?
de moivre is also remembered for his formula for

How would the previous sentence be correctly capitalized?
Answer: De Moivre is also remembered for his formula for
(38) even in more sophisticated treatments, as for instance that of hermann schmitz, (39) the topic is seen as settled without any consequences.

How would the previous sentence be correctly capitalized?
Answer: (38) Even in more sophisticated treatments, as for instance that of Hermann Schmitz, (39) the topic is seen as settled without any consequences.
puglia, the heel of italy's boot is one of the flat, fertile regions of italy.

How would the previous sentence be correctly capitalized?
Answer: Puglia, the heel of Italy's boot is one of the flat, fertile regions of Italy.