What is the first step to amending the constitution?
a proposal needs to win two-thirds of the vote in the house and senate.
a proposal needs to win two-thirds of the vote in the house.
a proposal needs to win two-thirds of the vote in the senate.
a proposal needs to win two-thirds of the vote in the supreme court.

The answer is: A proposal needs to win two-thirds of the vote in the House and Senate.

If the proposal obtain two-third of the votes, the proposal would be transferred to the states in order to obtain its ratification.

In order for the amendment to be enacted, 38 of the 50 states need to accepts the term written in the proposals. if this number is not fulfilled, the proposal would be given back to the house so it can change some of the terms written in the proposal.