The circumference of a circle is 616 m, find it’s radius and area.

What is the reflection image of (5,-3) across the line y = -x?

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?

1.based of the diagrams what is the the value of x? 2.how would you verify your answer for x