When we divide the numbers 272 758 and 273 437 by a two-digit number N, we get remainders of 13 and 17 respectively. Find the sum of the
digits of N.
(A) 6
(B) 9
(C) 10
(D) 11
(E) 12
answer is attached but I don't understand it...

Complete the standard form of the equation that represents the quadratic relationship displayed above, where a, b, and c are rational numbers.

Graph the equation. select integers for x

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?