The answer is estudiamos.
Remember that the subject is nosotros (we) and we would have to match the subject and the verb by conjugating the verb. A nosotros conjugation is always 'amos' in an ar verb.
<span>El impuesto sobre el patrimonio se aplica sobre todos los bienes raíces de una persona.</span>
1) Nylon and Nailon
2) Football and Fútbol
Hope I'm not too late!