It should be Rico's.
Well if her name is "Agne" then the apostrophe would go here "Agne's ". However, if her name is "Agnes" then the apostrophe would go here "Agnes' "
Yes if it will mean that Puerto Rico has a possession: Examples: Puerto Rico's flag Puerto Rico's population
Apostrophe in baker street
there is no apostrophe is yours unless a person's/object's name was "Your" and you are talking about something belonging to Your, in which case it would be Your's
Yes, you can use an apostrophe s to show possession even if the name ends in Z.
If this is someone's name, as I suspect it is, the apostrophe will go as such "Vikas's"
it wouldn't have one unless it had an s, like Ronald's.
An apostrophe is not required.
It should be: Linda's Early Years
There is no apostrophe in "Sports Field"
Apostrophe.
No, unless your name has an apostrophe in it or you are using it in the possessive.