How many times does three go in to nine?

A puddle on flat roof 20 ft x 20 ft by 1 inch weighs how many pounds? Is 1000001 a prime number? What quadrilateral has a pair of parallel sides? What is the value of 2 dollar bills if the serial numbers are in sequence? How much do you make an hour if you make 5000 a month? Example of law of constant proportions? What is 75 percent of 63? Does quadrilateral have at least one pair of consecutive supplementary angle? How many significant figures in 18.432 plus 5.55 plus 19.3? What is the smallest composite number greater than ten? How many prime numbers between 5 and 13? What is 5000 percent of 1750? How long is 1 foot in inches? How tall is 270 cm in inches? Test the Hypothesis that the variance of two populations are the same at 90 confidence level. The two sample variance are 8 with 40 degree of freedom and 12 with 50 degree of freedom.? How can you write 9000 in numerical value? How many feet is 180 mm? What kind of car was used in the show Booker pi? What is July 07 1989 in Roman numerals? What ia the value of the expression 13-2x when the value of x is 4?