What number comes next 1 2 4 7 16 22?

What is the roman numeral of 18985 and 26495? What does c represent in micr? What is 15 in percent form? Does the capital letter N have any lines of symmetry? What are the lcm of 12 15 and 20? What is 15ft x 6ft in square meters? What are the perfect squares from 1 to 500? How much does a 12 inch cinder block weigh? What do you get when you cross a mathmatician with a rubber band? Shapes with 4 corners and 4 sides? What 3 numbers do you add together to get 999? What kind of angle is 4 pi divided by 5? What is thirteen metres of twenty? How many Bibles have been printed? Is 1 over 8 in simplest form? Is a gallon of water more than a cubic ft? What is the remainder when the square of 8 is divided by 12? How many faces edges and vertices does a rombus have? How much does wool carpet cost per yard? What is between 0.45 and 0.60?