What would happen to a monthly payment if the interest rate decreased

What is the length of an with endpoints a 3,2 and b 8,14

In the xy-plane, if the parabola with equation passes through the point (-1, -1), which of the following must be true?

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?