Your friend claims that if a line has a slope that is less than 1, then any line perpendicular to it must have a positive slope. is your friend correct?

In the diagram below, tan θ = sqrt 3. what is the value of m?

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 ratios of the corresponding sides