3. joe bought a box of laundry detergent that contains 195 scoops. each load of laundry uses 2 1/2 scoops. how many loads of laundry can he do with this one box? the box of detergent was $19.99. how much is he paying for each load that he washes?

The sum of two numbers is 86, and their difference is 20. find the two numbers

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?

If value of cos330° is √3/2 then find tan165°.