Apile of sand on the beach has the approximate shape of a cone with a diameter 28 inches and a height of 11.75 inches. what is the best approximation for the volume of the pile of sand? 2411.7 in³ 3617.5 in³ 7235.1 in³ 9646.8 in³

Which of the following tables represents exponential functions?

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?

Two friends are reading books. jimmy reads a book with 21,356 words. his friend bob reads a book with one-and-a-half times as many words. which expression represents the number of words bob reads?