Hey guys im new...can i have help?

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 equation of the line with slope =8 and passing through (6,53) write your equation in the form y=mx+b

The sum of the squares of two numbers is 8 . the product of the two numbers is 4. find the numbers.