Answer:
Usted nada
Explanation:
ud. means usted and the person is swimming. Usted nada.
The letter in the Spanish alphabet is silent and not pronounced when speaking Spanish is H.
Eres paciente pero divertido
"Eres" already implies the person it's talking to (you, in this case), if we wanted to make it formal, we would've used "Usted es" (You (formal) are)
Emmm I thinks that the question is wrong