K I have a few History questions?

[Jelly]

Ok I have this long take home test in History answer any of these questions if you can
1. True or False, the right of citizens to keep weapons is asserted in the bill of rights.
2.True or False, Court decisions can change the interpretation of the Constitution.
3.True or False,The fact that the Constitution is written law helps to limit the powers of goverment.
4. True or False, The laws passed by Congress are the supreme law of the land.
If I get the answers to these I might post more. Thanks!! =)
Ok thanks for the answers just a few more.
1. which amendment was repealed
A. XVI
B. XI
C. XVII
D. XVIII
2. What is another name for the "neccesary and proper" clause of the Constitution?
3.If no presidential candidate recieves a majority of the electoral vote,who chooses th president?