How many hours are from 9am to12am?

How many times does 60 go into 728? What is the square root of negative 340? How can you tell what side is negative and what side is positive? What is the percentage of 2 wrong out of 44 questions? What is 25 times 53? What is the quotient of -150 divide by -30? What is the largest prime factor of 330? Which expresion gives the volume of a sphere with radius 7? Is the number 4 a square number? When we use f distribution? What is 5.1 percent of 254000? What tool is used yo provide a lot of numerical information? 97.44 is 112 percent of what number? Why do you divide Pi radius with 231? What is the divisibility of 100? What is 113 in simplest form? Is 75 a prime or composite number and explain? What are all the squared numbers from 1 to fifteen? What is the area of a rectangle with a length of x plus 3 and a width of x - 4? What is 1000 ton?