Is there 257 countries

How do you write 16464 in roman numerals? What is algebraic expression for 3x plus 10? Compare simplifying an expression and evaluating an expression? What is the strategy for estimating square roots? What is a thousand sided polygon called? What is the greatest common factor of 125and100? What are the odds of 16 consecutive reds on roullete? What is the percentage of 0.0027? What is x2- 2x? Solve x in the following 3x14 equals 84x x? How do you turn 14.1 into a mixed number? What re the first twenty roman numerals? What are facts about the number 80? What is 29.4 as a positive decimal without units? How do you figure 18 of 30 equals what percent? How do you write three hundred ninety five million seven hundred sixty thousand eight hundred thirty six? How many faces edges and vertices does a rombus have? What whole number is six unit segments to the right of -4 on the number line? How do you write 12.05 from decimla as fractions? What is meant by scalar quantity?