The decimal 6.4 rounded to the nearest whole number

Distance that the transcontinental railroad covered from omaha to san francisco.

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 %.

In the late 1990s, brazil’s poor people protested about crowded cities land distribution mining permits industrial pollution