In order for an amendment to be added to the u. s. constitution, the proposed amendment must: a) be approved by congress, the president, and the supreme court b) be approved by the senate and signed into law by the president. c) pass both houses of congress, be approved by a simple majority of the states, and be signed by the president. eliminate d) pass with a 2/3 vote in each house of congress and be approved by the state legislatures of 3/4 of the states. hurry im doing an quiz 20 points