Can someone please help ! :)

Which expression shows the result of applying the distributive property to -2(1/3x - 1/5) right answer pls.. 2/3x + 2/5 -2/3x - 2/5 2/3x - 2/5 -2/3x + 2/5

Answers; a) 135 degree’s b) 30 degree’s c) 180 or 0 degree’s d) 90 degree’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?