Hcf of x^2 - y^2 + 4y - 4​

Find the solution set of this inequality. select the correct graph. |8x+16|> 16

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?

Factor this polynomial completely. x^2-8x+12