How old do you have to be to work out at Anytime Fitness?

I'm 14 years old and I really want to work out at Anytime Fitness. Anytime Fitness is the closest gym to my house, and so I feel that it would be easy to work out there. If my mom signs me up, can I work out there?How old do you have to be to work out at Anytime Fitness?You can ask for work experience