Areas of shapes on grids
What is the area of the polygon below?

What's the weather like where you live?

What does this grave marker reveal about roman society

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 %.