How many grooves are on a twelve inch record?

At 50 lbs a pag of sand how many bags of sand is needed to fill 5 sq feet? What is 191.75 in significant figures? What is the sum of 198 and 253? How far is the train located from its start after completing both movements if it goes forward at a speed of 1 ms for 20 seconds then stops and goes backward at a speed of 0.5 ms for 4 seconds? How do you evaluate 4 to the thred power? How much are 3 pencils at 3 for 1.65? Roman numerals for 4100? Can confidence interval include a value of 0? What are examples of linear relationships? When to use easier or easiest? What are the factors of 18 and 72 through prime factorization? What is order from least to greatest 025 0.5 0.05 5.2? What is the Smallest number that is a multiple of both 4 and 5? How many unique pairs of positive integers can be multiplied together to yield 36? Colossus used values what was the role of these values? How heavy is a ten year old brain? What is the roman nurmeral VL? How much sq f 1 katha? What does 14 x 17 equal? What is survey schedule?