What is -8.1 as an improper fraction?

How many syllables are in the word carriage? What will the shape of the airfoil effect? What is a shape that has straight sides but no angles? What is my age if I was born 1 of Jan 1980? How many people are called Lewis in the world? How many yards are in 28 feet? What does equal angles mean? What is 1 x 5 x 7 x 35? How many photo equal 750GB? What is the area of a circle that has a radius of 40 feet? What is the force needed to bend 14 gauge 2.5 inch square steel tube? Why if SI units are not used in data analysis? What are the cheats for ninja painter level 28 on cool math for kids? Example of an event reminder letter? Are two skew lines always coplanar? What is difference between regression testing and retesting? How do you write words as decimal numbers thirty and twenty-hundredths? What is 4.75 as a percentage? How much does a goose feather weigh? Examples of Avogadro's law in everyday life?