Find the geometric mean between 8 and 32

Every time you drive you will experience a combination of driving conditions and environments.

Mustafa contributes 11% of his $67,200 annual salary to his 401k plan. what is his pretax income

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