Who is the antagonist of devils arithmetic?

What is the number in a mixed number called? How many years are in a millenium? What is a letter called used to represent an unknown number? How do you write 30.024 expanded form? How can you express 999 as a product of primes? Why you need to wipe the sides of the cuvette clear surface? What is the sign of the trigonometric function for the angle 120 degrees? How much is 3.55 meters in centimeters? What is the difference between division and integer division? What is a equivalent decimal mean? What is the GCF of 28 42 and 98? How Big Is A Yard Of Loam? If you start with 1 p and double it everyday how many days will it take you to get to 1 million pounds? What does 6 and 1 over 8 equal as a percent? What does 6m over 13 times 2 over mn? Is 23 thicker than 0.5? Why is there only one even prime number? 2.54 CM TO INCH? What symbol is lacking in the roman numeral system? What is the minimum width for unequal double leaf door?