Một cửa hàng nhập vào 75.000 kg gạo .trong 13 ngày dầu mỗi ngày bán được 1485 kg ,24 ngày sau mỗi ngày bán được 1672 kg. hỏi sau 37 ngày bán cửa hàng còn lại bao nhiêu kg gạo ?

Find the total area for the regular pyramid ( follow the answer set up in the picture)

Do graduates from uf tend to have a higher income than students at fsu, five years after graduation? a random sample of 100 graduates was taken from both schools. let muf be the population mean salary at uf and let mufsu be the population mean salary at fsu. how should we write the alternative hypothesis?

Weekly wages at a certain factory are normally distributed with a mean of $400 and a standard deviation of $50. find the probability that a worker selected at random makes between $450 and $500