How many hours is 5am to 3pm?

Fundamental operation on rational algebraic expression? How much mass is in one mL of water? When two quantities form a direct variation what is it called? What do you use to measure a pond? What are the odds for a marriage to last over 70 years? Do you always put a comma before as always? What are the two consecutive integers with the sum of one hundred? Why is Brick from The Middle called Brick? Does a negative number subtracted by a positive numbers equal a positive or a negative? If the perimeter of a rectangular house is 25 13 yards and the length is 22 feet. What is the width? 1 million rubies equals how many dollars? What is 0.017 as a mixed number? What is the second nation mentioned in the Bible? How many mm in 0.000004 M? What is 7 and 37 over 80 as a decimal? How much is 1 3 of a fraction of 10 from 4 7of a fraction of 10? What are the prime numbers if 100? What does 7 plus -7 equal? What does find the number for each factorization mean? Is 6 over 23 in simplest form?