A diver jumps into the water from a cliff 37 feet above the water. After hitting the water the diver touches the bottom of the lake which is 12 feet below the surface. What is the vertical distance the diver travelled?

Sam is picking fruit from a basket that contains many different kinds of fruit. which set of events is independent?

There are 8 movies that you would like to see currently showing in theatres. in how many different ways can you choose a movie to see this saturday and one to see this sunday?

Emmanuel added 888 links per minute to his chain mail. allesia started 202020 minutes after emmanuel and added 131313 links per minute to her chain mail. how long had emmanuel worked when allesia caught up to him, and how many links had he added?