yes
Yes, the Fifth Amendment
The fifth amendment protects many rights, but the most commonly known is the right of not incriminating yourself.
the fifth amendment.
The Right to Remain Silent.
right to due process
the right to remain silent
Second
The fifth amendment.
Yes, in fact the fifth amendment only applies to the court system. Unless you take the stand (in which you waive your fifth amendment right) you can not be called to testify. If you've waived that right you don't get it back during that hearing.
Actually it has nothing to do with math. "pleading your fifth" means that you are pleading your fifth amendment which states that you cannot be forced to testify against yourself. So if you are pleading your fifth, you are actually using your fifth amendment right.
First Amendment.. The right to freedom of speech.