Can you think of other ways of
locations that might prove useful

Which numberline shows the solution to n -3

In the developed world, women are increasingly more likely to delay childbirth until their mid- to late- twenties or long because

Brian's school locker has a three-digit combination lock that can be set using the numbers 5 to 9 (including 5 and 9), without repeating a number. the probability that the locker code begins with a prime number is %. the probability that the last digit of the locker code is an odd number is %.