What is a biametric?

Roman numeral for 49? How is 17874000 is written in word form? What is the width and the length of the submarines? What is the equation of 1 7 and -2 3? How do you beat portal 2D? What is the missing probability P(A)0.35 P(AorB)0.55 P(B)? What number is divisibility by 118? Is 0 greater or equal to 4? What does the STOP button look like? What is 193 in scientific notation? What is 1m? How many feet in 270 inches? What is the sum of the internal angles of a polygon with eight sides? How many planes of symmetry on a trapezium prism? How many eight fifths are in one? How many km is 83miles? What is the difference between six and four? What states 2 circumstances that show the efficiency of the Roman organization? How do you graph 3y equals x-2 on a graph? How do you write 1053.00 on a check?