How would you find the addictive inverse of 9y?

An educated person is one who has learned that information almost always turns out to be at best incomplete and very often false misleading fictitious mendacious- just dead wrong? What is 111380.5 rounded to the nearest cent? How many solutions does 2yx 2 and -2x 3 have? What percent of 85 equals 92? How do you write 52 percent in simplest form? What is bigger 4 over 5 or 2 over 3? What is 91 weeks in years? How to round 2.47 to the nearest one? What is the coefficient of the variable in this expression p? What is 24.05 percent as a decimal? What square numbers make 45? What are some items measured in the US customary system? What is 13 percent of 50? In inches what is the diameter of a 65cm circle? What is the material used for making measuring tape? What is the plural word for smarty? How is subtracting from a 3-digit number different from a 2 digit number? What does 15 plus 35 equals? What is two third of 520000? A point in a coordinate system with integer coordinates?