What is a thesis statement and why should I put it in the first paragraph?
A thesis statement is a point-blank summary and assertion for what your essay is arguing. It tells the reader: "This is the purpose of my essay." If you present it in the opening paragraph then it will make it clear where your essay is heading as well as give you an assertive and confident tone.
What is the significance of the yellow car in The Great Gatsby?
Color is very important within Fitzgerald's work. The yellow of the car not only represents gold or wealth, but also signifies the caution that needs to be taken. The car itself is also a symbol of his wealth and prestige; it also represents Gatsby's upward mobility and freedom.
How do I know when to use a comma or a semi-colon?
If the second clause of your sentence is dependent on the first (or doesn't make sense with out it) then you must use a comma. If that second clause is independent from the first then you use a semi-colon.