How long is a presidential term?

How many senators does each state have? How many voting members are in the U.S. House of Representatives? How many justices serve on the U.S. Supreme Court? What is the minimum age to serve as President? How long is a U.S. Senate term? How long is a term in the U.S. House of Representatives? Who is first in the presidential line of succession after the Vice President? What are the first ten amendments to the U.S. Constitution called?