There are 92 students in the third and fourth grade at johnsonville elementary. of these, 47 are fourth grade. write an equation to find how many third-graders there are. use a question mark to represent the unknown number and solve.

How do i work this problem out using the equation a=pe^rt

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?

Consider circle o, where and . m∠bpd °. °.