How do you find the volume of a pyramid?

The distance between two points is 6.5cm and scale of map is 1: 1000 what's the distance between the two points

Bag a contains 3 white marveled and 2 marbles bag b contains 6 white marbles and 3 red marbles a person draws one marbles from each bag find the probability that both marbles are white

I’m how many different ways can she give the four remaining flowers to the rest of the teachers in the afternoon