Post date a check means that you write a check on a day and mention the date of a future day in the check. i.e., let's say I give you a check today 22 January 2011 and write the check date as 15...
The mean distance is the same as the mean of a set of numbers,but this time, instead of them just being numbers, they're lengths. You just simply add up all the numbers and divide the total length,...