Answer

What must I do to be saved? Believe on the Lord Jesus Christ, and thou shalt be saved.
Acts 16:30,31

For God so loved the world, that he gave his only begotten Son, that whosoever believeth in him should not perish, but have everlasting life.
John 3:16

If thou shalt confess with thy mouth the Lord Jesus, and shalt believe in thine heart that God hath raised him from the dead, thou shalt be saved.
Romans 10:9