the translation vector (4,5) is applied to ^bat to produce the translated image ^b'a't'. assume ^bat has no horizontal or vertical sides

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?

Is the square root of 4 plus the square root of 16 rational?