The sum of 5 consecutive integers is 505.what is the third number in this sequence ?

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?

Find the area of the regular hexagon if a side is 20 cm.

Which graph represents the parent function of y=(x+2)(x-2)