Ais a horizontal bar used in mathematical notation; in fractions it is the bar that separates the numerator from the denominator, in repeating decimals it indicates a group of repeating numbers.

all of the measures need to be converted to the same measure; such as inches. if you do that it is easy to determine which is the longest, 2500 mm which is approximately 97.5 inches.

if you get paid hourly because if you get a salary you could work all week and only get paid a certain amount no matter how much you work but if you get paid hourly then you get paid for every minute you worked.