What is unique existent?

When the sum of a number plus 3 is squared is 11 more than the sum of the number plus 2 when squared? What is the equation of a line that passes through the points of the arithmetic sequnce u0 10 un-1 -3 where n 1? How many bacteria are on each of your feet? How many miles are there in 387000 kilometers? What percentage of 76 is 160? How do you spell the numbers 1 to 321406795058714? How do you factor the expression 50x2-18? What is 30 percent of 42000? What does MCMLV translate to in numbers? What is the distance of 2 m? What does quarter to 6 o clock mean? Which fraction is larger three thirds or eight ninths? How many of the words for the numbers 1 through 10 have 3 letters? What percentage of calls are completed between 100 and 120 minutes with a mean time of 100 minutes for office calls with a standard deviation of 25 minutes? What is the least common multiple of 270 and 300? Which two integers have sum of 15 and a prouduct of 36? Is slate pencil 5-6 per day harmful? Can you find the hypotenuse of a right triangle when only one side length is known and all three angles? What times 6 equals 64? Ten years is equal to how many days?