Find the average of the following numbers:
2,4,6 and 8.

Pls help asap

The triangles are similar. what is the value of x? show your work.

Find the average speed of a rabbit that runs a distance of 22 m in a time of 1.8 s .

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?