Determine the equation of a vertical line that passes through the point (21,78).

What is the perimeter of square abcd? units units 28 units 37 units

The parabola y = x² - 4 opens: a.) up b.) down c.) right d.) left

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?