How many years from 1998 to 2016?

What IQ is required to be a member of MENSA? Why did the Romans use numerals? How big is 1 100 scale? What is 55 percent over 310? Is 121 a good IQ score for a year 7 child? What is the correct portion marking for Paragraph 2 in the derivative document? What is twenty-five fiftieths into a percentage? What is the area of Pabu? A movement of a figure to a new position by rotating the figure around a point? What is 500 out of 449 percent? How many cm less than 3 m is 2.89 m? How many syllables in the word grass hopper? Why it is important to assign tasks to the right people any two reason? What is -8.9 as a mixed number in simplest form? What is 27 percent of 123? What is the median of 24 35 33 48 33 48 27 35 27 55 43 24 55 33 52 33 29 59 26 59 48 37 42 42? What is the number based of? How do you find GCF of 34 and 78? What is sixty hundredths in percent? What is 33 and one third percent of 24?