Final answer:
The verb conjugation for 'Juana, Elena, y tú' in the present tense is 'cantan'
Step-by-step explanation:
The correct conjugated verb in the present tense for the subject 'Juana, Elena, y tú' is cantan. The verb 'cantar' means 'to sing', and when conjugated for the subject 'Juana, Elena, y tú', the correct form is 'cantan'.
Learn more about Verb conjugation in Spanish