Apply the distributive property to factor out the greatest common factors 9 +15

Given the equation f(x)=a(b)x where the initial value is 40 and the growth rate is 20% what is f(4)

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?

What is another way to express 36 +32