After the parenthesis.
Parenthesis go before the period. The period signals the end of the sentence.
after
If a comma is needed, it normally comes after parenthesis.
Use a period inside of the closing parenthesis to indicate that the sentence within the parentheses is ending. Use a period outside of the closing parenthesis to indicate that the sentence in which the parenthetical occurs is ending. Example: This was published in 1968 (Mary Jenkins looked it up.). or This was published in 1968. (Mary Jenkins looked it up.)
The period typically goes after the closing parenthesis in American English.
Right before the quote ends. For example:He said, "You are a jerk."
yes
No they do not.
(3x3+1)2+1=7x2+1=15 and that is how you use parenthesis but, always do parenthesis before you do anything else......^_^
Use a comma before a parenthesis when the information within the parentheses is not necessary for the sentence to make sense. Use a comma after a parenthesis when the information inside the parentheses is necessary for the sentence to be understood.
A period should come before the footnote at the end of a sentence, while a comma should not.