In an experiment, the probability that event A occurs is 4/9, the probability that event B occurs is 4/9, and the probability that events A and B both occur is 1/5. What is the probability that A occurs given that B occurs?

Determine whether the set of whole numbers is closed under addition. explain why the set is or is not closed. give an example.

Which expression gives you the distance between the points (5,1)and(9,-6)

Jorge wants to determine the enlarged dimensions of a digital photo to be used as wallpaper on his computer screen. the original photo was 800 pixels wide by 600 pixels high. the new photo will be 1,260 pixels wide. what will the new height be?