Well, since Elaborate is a synonym for explain, I would guess that the student would just have to explain more about the topic.
Answer: Each term of the equation can be multiplied by to eliminate the fractions before solving
Explanation:
Well, some of the main characters are Harry, Ron, Hermione, Dumbledore, and Voldemort. But some minor characters that really help contribute to the story are the entire Weasley family, Remus Lupin, Sirius Black, and Snape.
The first is correct as chronological order and that means by date. The Missouri Compromise, was in 1820, the "popular sovereignty, was in 1854, and the Dred Scott decision was handed down in 1857. Hope this helps!