Jake earns $38,000 in his first year of working and earns a 2.5% increase in each successive year. Find Jakes total earnings for his first 12 years of working, to the nearest cent.

You can find the constant of proportionality by finding the ratio of

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?

Can you me find the missing length. i attached an image.