HELP PLEASE ASAP!!! SPANISH llA

El monte aconcagua, en argentina, mode 6,960 metros de altura .la península valdés ,en argentina ,está a 40 metros bajo el nivel del mar.¿cual es la diferencia en metros, de elevación entre estos dos lugares?

You have been chosen to be the guide of an exchange student from costa rica. before the student arrives in the us, he has asked you to give him some tips about schools in our country. using 10 different commands, create a presentation in which you give him tips for being successful in us schools. your presentation should include 5 affirmative and 5 negative commands in the tú form. examples: study many hours, don’t sleep in class, etc. to create your presentation, you may use powerpoint, or one of the tools listed in the web 2.0 tools area (contact your instructor if you need ).

¿cuál no dice maría? soy más inteligente que juan. ėl es menos inteligente que yo. juan es el más inteligente. soy tan inteligente como él.