Uds. invitan a lola y a maga a cenar. invitan.

las

los

la

Ustedes "las" invitan. It'd be "las" because it's referring to Lola y Maga, which is plural and feminine and "las" is also plural and feminine. It wouldn't be la because it's singular and it wouldn't be los because it's masculine.

Agame in which two or four players strike a ball with rackets over a net stretched across a court. the usual form (originally called  lawn tennis  ) is played with a felt-covered hollow rubber ball on a grass, clay, or artificial surface.

Cusco is the oldest city