Which of the following are procedures by which the us constitution can be formally changed? select all that apply.
congress proposes an amendment by a two thirds vote in state legislatures ratify the amendment by a three fourths vote.
a national convention proposes an amendment requested by three fourths of states and congress ratifies the amendment by a two thirds vote.
congress propose is an amendment by two thirds vote in the state convention ratifies the amendment by a three fourths vote
a national convention proposes an amendment requested by three fourths of states and state legislatures ratify the amendment by three fourths vote
i also need the rest of the 5 questions answers, !