Yes you do. You also underline names of books, and websites.
Yes, you must underline books within an essay. You cannot do quotation marks, or apostrophes on both sides of the title, bold, or italicize it. You must underline a book in an essay.
Well the title of your essay will be the topic that you chose to write about.
yes
yes
yes
No,you don't. It's just like a author doesn't underline the book title on the cover page.
Place the titles of articles in quotation marks, but italicize the title of magazines or books the articles appear in.You can do either that or put it in quotation marks, though the MLA standard is to underline the title.
When citing a shorter work (essay, magazine or newspaper article, short poem, chapter of a book, one-act play, song, etc.) in your essay, place the title in quotation marks. It is only appropriate to italicize titles of longer works (books, movies, epic poetry, albums, magazines, newspapers, etc.). If, however, you are handwriting your essay, go ahead and underline these titles. That being said, a strict answer to your question is no. You should not underline the title of an essay when using it in your own essay. You should place it in quotation marks.
No, in ASA format style, you do not underline the title of a chart in an essay. Instead, the title of the chart should be capitalized and centered above the chart.
Yes.
Yes, if you want to. You also should Quotation it.