What is size 1 equivelent to?

What is the reciprocal of seven over thirty one? What is the highest 5 digit common multiple of 5 and 8? What percentage would you get if you missed 8 questions out of 12 questions? Which one would be smaller .51 or .5? How many tenths are ther in 2 whole ones? What is 343 in roman numeral? Is a pentagonal pyramid a hexahedron? When was Matchbox Twenty created? 4x-6 equals x plus 9? Which is heavier 8 marbles that are exactly alike except that one of them is slightly heavier than the others I then give you a balance scale and ask you to determine the heavier marble in 3 weighings? What is ninety-nine in Roman Numerals? How do write four-hundred-forty- seven-thousandths in standard form? What are some addition problems that will equal to 120? What does product form mean? What fraction of 2 kilometers is 250 meters? What is the smallest number and largest number of 800000? What is the formula for the circumference of a circle using diameter? What is 51 times 7? Write 3.8 in hundredths? Can you give 5 examples of terminating decimals?