Choosing from a comedy, horror, or action movie each shown in four different theaters how many possible outcomes are there?

Ammonia molecules have three hydrogen atoms and one nitrogen atom. how many of each atom arein five molecules of ammonia

The graph below shows the height of a projectile t seconds after it is launched. if acceleration due to gravity is -16 ft/s2, which equation models the height of the projectile correctly?

The sum of these consecutive integers is equal to 9 less than 4 times the least of the integer. find the three integers