Bicycles are often classified by their wheel diameter. If the circumference of a bike tire is 81in., what would the diameter of the wheel be rounded off to the nearest whole inch?

The ratio pv to nrt is plotted against pressure for ch4 at 0°c and 200°c. why does the curve for 0°c drop below the horizontal line for an ideal gas whereas the curve for 200°c does not?

The distribution of the amount of money spent by students for textbooks in a semester is approximately normal in shape with a mean of $235 and a standard deviation of $20. according to the standard deviation rule, how much did almost all (99.7%) of the students spend on textbooks in a semester?

An ant travels at a constant rate of 30cm every 2 minutes.at what speed does the ant travel per minute