What does x mean in Roman numaral?

Does a perimeter of a square is always four time the length of one side? How do you write eighty and eight hundred four thousandths in standard form? What is the answer to Greek decoder from pre algebra with pizzazz? What do prime numbers end with? What is the answer for number 2? How do you round 93.525 to the nearest hundredth? What are the five elements of policy design? A heptagon can be divided into how many different triangles by drawing all of the diagonals from one vertex? How many digits are on each of the frog's fore arms? What is the circumference and area of the circle if d30 using 3.14? How do you convert a sphere into square meter? How long do Microsleeps last between seconds? Prime number between 42 and 50? What multiplied by 72 is 450? What is the dot method? What are the 3 button in calculator with out using zero? When flipping two coins at the same time What are the odds that both coins will land on the same side? What is 1000000 to the 10 power equal? How many times has August 9 fallen on a Saturday since 1958? What is 0.057 as a percent?