question: it produced an atmosphere in which mathematical research flourished.
Capitalize this past sentence correctly.
A: It produced an atmosphere in which mathematical research flourished.

question: if you listen to the advice of an odds calculator 100% of the time, yes, you'll come out ahead.
Capitalize this past sentence correctly.
A: If you listen to the advice of an odds calculator 100% of the time, yes, you'll come out ahead.

question: amor-en-linea.net may change some clauses of this policy from time to time, and members are advised to review this policy regularly to make sure they read and understand the most current version of it.
Capitalize this past sentence correctly.
A: amor-en-linea.net may change some clauses of this Policy from time to time, and members are advised to review this Policy regularly to make sure they read and understand the most current version of it.