Why do you have to be 21?

Is 111 a multi-mult? How many carcenagons are in cigerettes? What factor does every even number have? What is the next number in this series 1-4-27? What is 120 divided by 1.1? What is the volume in cubic inches of a cylinder that has a height of 1 meter and a radius of 10 inches? How do figure out the similarity of two triangles with only 1 number? How much is 40 percent off of 125.14 dollars? What is all the fact families of the number 80? What is the least common denominator of 11 over 12 and 1 over 4? What is a four-sided polygon with two congruent parallel sides? What is thirty three percent of thirty two thousand five hundred dollars? What is the value of a model 100? What is the sum of 20x2 plus 3x 8 plus 2? What are the first six odd numbers? What is the answer to (5m plus 2m)10? What is 9 percent of 30? How much tenths in 900 thousands? How can order of magnitude help you in real life? What is one-twelfth divided by five-sixths?