What is PT-141?

Is kilometer or meter bigger? What is a b c in a triangle? Why is February 29th chosen to be the leap day over December 32? What is 7468 to he nearest hundred? What is x equals 0.5? Which lines describe the roles in life that man performs? What is one third of 700 dollars? Is it possible to have a baby less than 9 months? According to Einstein can the time be negative? Can a pentagon have right angles? Is a star regular? What was the purpose of hydrostatic test? Which videogeme character is the most detailed and how many polygons were they made of? What number comes after 10999000? What is the Roman numeral for 43 million? What number can be divided by 8 exactly 10 tens? What is 10 to the -18? What is the volume of a 0.6 inch long cube? What percent increase from 19 to 31? State the slope and the y-intercept for the graph of the equation y-2?