David's heart beats 75 beats per minute.
a.) if this is his average heart rate, how many times will his heart beat in 45 years?

b.) if david's heart has beaten 2200800 times, how much time has elapsed? give your answer in days, hour and minutes.

show me the work. i don't need the answer! i just need to know how you got it . (:

Which of the following is the correct equation for this function? a. y= (x+4)(x+2) b. y=x^2+ 3x – 2 c. y+ 2 = – 2(x+3)^2 d. y+ 2 = 2(x+3)^2

25 ! the line of best fit is h = 5a + 86. predict the height at age 16. show your work.

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?