What is about 200 years old?

What is in phalsm 91 in the bible? What set of numbers does 5.86 belong to? Who invented Binary opposition? How many two-digit numbers have digits that add to twelve? How long is 60 months? How many 3 inch tiles are needed for a room 12 feet wide and 25 feet long? Do you need to add a comma after a dollar amount in a sentence? How many significant digits does 12.300 have? How do you write 305.5 in expanded form? What is MC in hindu-Arabic numerals? What is the least common denominator for 25 and 100? How many times can 18 go into 24? What numbers multiply to 900? What shape has 6 faces 12 edges 6 vertices and all my faces are the same size? What is 7yrd 1ft minus 2ft 7in? What is 81.42 rounded to the nearest tenth? A ceiling rather than a floor? What the length missing of the triagle shape 7cm and 13 cm? What is 12345 X 234? What is dividing by a number the same as?