Question

The House and Senate can only pass amendments to the Constitution if

the amendment receives a majority vote.
the president supports them.
the amendment receives a two-thirds vote.
the judiciary branch supports them.

Answer 1

Two-thirds (supermajority) of both the Senate and the House of Representatives of the United States Congress;
OR

By a national convention assembled at the request of the legislatures of at least two-thirds (at present 34) of the states.
To become part of the Constitution, an amendment must be ratified by either (as determined by Congress):

The legislatures of three-fourths (at present 38) of the states;
OR

State ratifying conventions in three-fourths (at present 38) of the states.

Answer 2

thanks