18/x=-2
what number does x represent

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?

My hour hand points between the 8 and the 9 in 35 minutes it will be the next hour. what time is it ?

Siri can type 90 words in 40 minutes about how many words would you expect her to type in 10 minutes at this rate