Abowling alley keeps shoes in rows of cubbyholes. there are 9 rows of cubbyholes, with 20 cubbyholes in each row. if there is a pair of shoes in every cubbyhole, how many pairs of shoes are there?

Last saturday, the museum box office sold 281 tickets for a total of $3,954. adults ticket cost $15, and students ticket cost $12. how many of each kind of tickets were sold?

How to use order of operation in 20 divide by 4 multiply 5 = 1

Thompson and thompson is a steel bolts manufacturing company. their current steel bolts have a mean diameter of 127 millimeters, and a variance of 36. if a random sample of 35 steel bolts is selected, what is the probability that the sample mean would differ from the population mean by greater than 0.5 millimeters? round your answer to four decimal places.