7509 rounded to the nearest hundred?

Solve the equation ax-b equals c for x? What is the sum of 12 and 7? How many 4 ounce servings in a 30 pound case of frozen carrots? What is eight tenths of a kilogram? What is the proportional plan? Is 5.35 bigger than 5.35? How many sq ft in a 3x3 room? What is the difference of a googol and a googolplex? What is the Prime factorization of 2001? How do you write 0.5255 in expanded form? What is the negative square root of 100 over 81? If a over b equals c over d then is it possible that a plus b equals c plus d If not then give Mathematical Reason for that? What is the prime factorization of 588? Which number is in the tenths place in 8.504? What is 1 tenth of 1 percent of six billion? How many odd numbers in march? A magazine earned 68 million in 1998 from advertising revenue subscriptions. If the advertising revenue was 6 times the subscription revenue how much did the magazine earn from adverstising? What are three examples of items that have the same shape as a rectangular prism? What is an apothem of a regular polygon? How is math used in Sociology?