What is 54mm as a fractionof 20cm?

Abbreviation of attainment? What is the ratio of kilometers to miles? What is a triangle with two equal sides but no right angle with a picture of what? What adds to get 5 and multiplies to get -4? What is the surface area of a standard rubik's cube which measure 2.5 inches on each side? How many numbers from 1000 to 2000 that are multiples of 15 20 and 25? How do you calculate trignometric angle using java? Did Christoff Rudolff invented the radical sign? The length of a pencil measured to the nearest inch half inch and quarter inch is 2 inches .Use a drawing to explain how this is possible? What is 6mi? How many times bless is used in the Bible? How many syllables is Graham? How many cents are there in one dollar? What weighs more 1 lb of bricks or 1lb of feathers or 1lb of cheese? What is the pyramid of bioman? What is 26.19 rounded to the nearest whole number? How many mg are in a 0.1 gm? What even numbers comes before 460? How old is he? Can the domain of a function be the null set?