Carol, dan and eli each had some coins dan had twice as many coins as Eli
carol had twice as many coins as Eli
write down the ratio of the number of coins carol had to the number of coins Eli had
give your answer in its simplest form.

How to choose the sign of the radical in the denominator of the formula for the distance from a point to a line.

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?

Someone me what is the area of this figure? 18m 18m 8m 16m