What does upse stand for in math?

Is 197 an emirp? How many significant figures does 60.56 have? What is 8 - 3x equals 128? What is the percentage of 3 over 100? What is the average length of a bar counter? What is 90 of 130 inches? What is the difference between the greatest 7-digit number and the smallest 5-digit number? How many right angles are there in an angle that turns through degrees? What are the common factors of 35 and 70? How many liters of water in 16x32 pool 4 ft deep? 1 yard and 7 inches equals how many inches? 18 ft x 12ft equals sq yards? Why do students fail mathematics? What two and seven hundred twenty four thousand three hundred sixty five millionths in standard form? Is number an abstract or concrete noun? What is the 7 step problem solving model? When did Hundred Thousand Martyrs of Tbilisi die? What pattern seems to relate the measures of consecutive angles in any parallelogram? What is 3 out of 4 of 20? What is the probability of tossing tails and rolling a 2?