How many hours from 730 am to 500pm?

What are the first five perfect squares? What is the sum of all even numbers less than 20? What is 70 percent of 510? Is 60 feet longer or 16 yards? What is the answer to y equals 4x plus 8? How many one to one correspondences could be listed between the vertices of two regular pentagons? Any group exposed to the independent variable? What is the decimal notation for 500 percent? Is every natural number an integer yes or no? Give an numeric example of slip gauge with problem table with range and steps used? What is the word form for 0.0017? What must I do to combine my matric results? What is the solution of x if -5x equals 3 plus y? How many square feet are there in 0.14 acres? How many linear meters in 1 square meter? What is 11 18 1991 in roman numerals? Is a man who is carrying a dozen of glass lamps drops one what does he become? 4x plus 5 equals -9? What is x2 plus 9 equal? How many sq meters of wallpaper will you need for a room 5 feet x 6 feet 9 feet?