Read the description below and tell what each please help with Spanish.

What is the correct way to say "my knees hurt"in spanisha. me duelen las munecasb. me duelen mis rodillasc. me duelen mi espaldad. me duelen las rodillas

What color is the presidential residence painted in argentina

Which in spanish an example of: 1) a comparison between two unlike things, and 2) something that you consider the best. when creating your two sentences make sure to use the following expressions: mejor que, peor que, el/la mejor, el/la peor