Alana spent $21 of her $300 paycheck on a gift. What percent of her paycheck was the gift spent on?

Select the quadratic that has root x = 8 and x = -5

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?

Need showing work for this problem 56.25 ×25.80