11.
What does the to_date method do when applied to a Time object in Ruby?

12.
How do you find the number of seconds since the Unix epoch for a Time object in Ruby?

14.
What does the utc_offset method return for a Time object in Ruby?

15.
How do you find the number of months between two Date objects in Ruby?

17.
What is the purpose of the zone method for a DateTime object in Ruby?

20.
What does the month method return for a Date object in Ruby?