A number from 14 through 24 is drawn at random what are the odds the number will be less than 22?

Express the following as a function of a single angle, cos(60) cos(-20) - sin(60) sin(-20)

Assemble the proof by dragging tiles to the statements and reasons column

The random variable x represents the number of phone calls an author receives in a day, and it has a poisson distribution with a mean of 8.7 calls. what are the possible values of x