Find the samllest value of k when :
280k is a perfect square
882 is a cube

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 y-intercept and x-intercept for the equation 5x-3y=60 what is the y-intercept

What is the value of x when x + 7 = 21?