Answer:
Yes
Explanation:
There is doubt. Sorry this is late, haven't seen it till now
Bañarse: yo :baño
Tu :bañas
El ella, usted :baña
Nosotros : bañamos
Ellos ellas ustedes :bañan
Cepillarse
Yo cepillo
Tu cepillas
El, ella usted cepilla
Nosotros cepillamos
Ellos, ellas, ustedes cepillan
I think it is formal it doesn’t say it formal but it does say the word usted is to show respect so i would say true its formal