the diameter of a circle is 9, work out the area of the circle. take pie as 3.142 and giv your answer as to 2 decimal places

If you are just building your payment history, how many points from a perfect score will you possibly miss?

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?

Write an equation for the function that includes the points (2,100)and (3,100)