What is a person of many faces?

Why is there a need for us to study roman numerals? What is the area of the largest circle which can be cut from a square of edge 4 inches what is the area of d maerial wasted? What is the remainder when 83 is divided by 5? What do you mean by divisions less than 1millimeter in a vernier caliper? Which plus which colour equals red? 4x plus 2y-3x plus 4-y? How many sides does a tube have? What is the slope of a perpendicular line is always? What does ten hundredths mean? What is the name of a straight line which touches the edge of a circle? What is bigger 4.25 or 4.52? What are all the numbers that divide into 100 with a remainder of 4? Is m x plus b a recursive equation? What is another name for psalms? What are some jobs when multiplying and dividing fractions are needed? What is 95.266358 rounded to the nearest unit? What is 37mm converted into cm? Does a veteran with 100 percent disability get a discount on park entrance? What 4x4 in exponents? What is 0.3x4?