What does MM mean before a name?

Fraction with different units in the numerator and denominator? What rhymes with phonics? What is a hollow area in sediment in the shape of all or part of an organism is called a? Is 20 a round number? Why does liquid need a container? How do you Find three consecutive odd integers such that the sum of the smaller two is three times the largest increased by seven? How do you divide a fraction into its lowest terms? What is 135 percent of 180? What three consecutive even numbers add up to 456? How would you round 12.72 to nearest dollar? What is the Expanded form of 718.12? 824 rounded to nearest hundred? How can you write a whole number as a fraction? 560 billion is how many million? How do you spell 156 dollars? What is 499 in Roman numerals? How do you use Brannigan's 6 steps? How do you add to and subtract from a selection? What is the sum of exterior angles of a triangle? What is the answer to seven fifteenths multiplied by three fifths?