What European leader's name has a numerical value of 666?

Do you know any family where there are exactly three boys and three girls? Is 0.05 and 0.050 equivalent or not? What is the unknown base of a trapizoid if the area equals 21 the second base equals 5 and the height equals 2cm? What is the ordinal number of 13? What is coefficient of skewness in a variable concentration? How to prove an isosceles triangle with one angle bisector? What does it mean to shortlist something? What is the percent increase from 6900000 to 7400000? What is the formula to find the volume for cylinder by using diameter? What will it cost to carpet a room 13 feet wide and 16 feet long if carpeting costs 25.00 a square yd per square yard? What is 3 percent of 12.25? Two thirds of a number is 52. What is the number? Is 0.05 bigger than 0.45? When you have an algebraic equation with a set of numbers inside a parentheses what do you do to these numbers? What is distance between two points in the plane? What is the area of a square with 2cm long? What is 44 over 110 simplified? What do you call someone who wants to have everything straight? What are the common factors of 21 42 and 84? What are three undefined terms in geometry?