How to g(x)=-3x+1 and g(10) i don't understand

Which term best describes the association between variables a and b

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?

Look at this pattern ; 1,4,9, number 10000 belongs in this pattern . what’s the place of this number?