How many hours is 830am to 530pm?

What are the coordinates of the point where the graph of y -2x - 6 intersects the y-axis? What is 73 times 85? How many times can 31 go into 280? What is the real meaing of 555? What is one 100th of a percent of 5 billion dollars? Can you simplified acquisition purchase 1500 commercially available sheds one for each family housing unit. Each shed will cost 1500 total of 2.25 million? How many cubic yards of soil do you need to fill a 9ft x 3ft x 1.5ft hole? What is 33 over 20 simplified? Density is calculated by dividing the mass of an object's by its volume? What is the relationship between a sample and population is statistics? What does c mean instead of BC and AD? What is 5.40 percent as a decimal? What is 8 divided by 3 rounded to the nearest tenth? What is the formula used to calculate the variance of a set of data? Who invented degrees Celsius? Has a triangle got any parallel lines? Why do you avoid venipuncture on the same side as mastectomy? What does 39.98x2 equals? What is 7 over 7 as a whole number? What is 0 a thousand times?