Select all that apply what are the three ways the constitution can be amended? 1.amendment proposed by three-fourths of both houses and ratified by two-thirds of the states 2.amendment proposed by two-thirds of both houses and ratified by three-fourths of the states 3.amendment ratified by special conventions in three-fourths of the states 4.amendment ratified by special conventions in one-half of the states 5.amendment proposed by special convention, called for by two-thirds of state legislatures, and ratified by three-fourths of state legislatures 6.amendment proposed by special convention, called for by three-fourths of state legislatures, and ratified by two-thirds of state legislatures