How many hours 630am to 4pm?

Give exact and approximate solutions to three decimal places x2 plus 7x-5 equals 0? If x equals 2 and x2 is 4 and y times 2 is equal to x then what is y? A cube is measured 3 inches on all its sides what is the volume? What is abbreviation for a unit of length? What would 49.45 be rounded to the nearest tenth? How do you sharpen knife or scissors with sharping stone? Who took Jehovah's name out of the Bible? What is 2000 times 50? How do you round off 14 to the nearest tenth? What events in order from least negative to most negative change in energy? What is a good Psalm? Does the aleks ruler measure centimers? Where is Goliath's body now? Name 20 things that come in pairs? What is 241100 45121521 4522123 divided by 465229? How many vertices in square? A star with 8 points is called? How can you get answer 100000 using numbers 1 to 9? How much hours are there in 2048mb? What two numbers LCM is 60 and the difference between the two numbers is 3?