Convert 6.1x10^4 into standard form ASAP!

The parabola x= √y-9 opens: a.)up b.)down c.)right d.)left

Find the roots of the equation below. x^2 - 6 + 9 = 0

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?