The point at the beginning of a ray is called what?

Write the sentence as an equation. 6 fewer than the quantity 140 times j equals 104

What is sin 7x/4 ? i need on this urgent trig

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?