The distance between two points on a map is 6.5 cm. The scale of the map is 1:1000. find the actual distance between the two point in km.

What is the volume of this square pyramid?

Acredit card advertises an annual interest rate of 23%. what is the equivalent monthly interest rate?

You were told that the amount of time lapsed between consecutive trades on the new york stock exchange followed a normal distribution with a mean of 15 seconds. you were also told that the probability that the time lapsed between two consecutive trades to fall between 16 to 17 seconds was 13%. the probability that the time lapsed between two consecutive trades would fall below 13 seconds was 7%. what is the probability that the time lapsed between two consecutive trades will be between 14 and 15 seconds?