Find the probability that each die shows a number less than 4

Arectangular prism is 3 meters long, 6 meters wide, and has a height of 9 meters. what is its surface area?

Samantha swam upstream for some distance in one hour. she then swam downstream the same river for the same distance in only 12 minutes. if the river flows at 4 mph, how fast can samantha swim in still water?

What is the probability of drawing three queens from a standard deck of cards, given that the first card drawn was a queen? assume that the cards are not replaced.