1. Would you like to join my band? - add 'you like to'
2. Martina's band has played in concerts since 2013. - add 'since'
3. Her old band was not as good as her new one. - add 'as good'
4. There are six people in Martina's band. - add 'are six people'
5. You don't have to pay anything to get into their concerts. - add 'have to'
Answer:
René Descartes
Explanation:
"I think, therefore I am" was the first priniciple of of his philosophy.
Abstract<span>: An abridgement or </span>summary<span>. overview: A brief </span>summary<span>, as of a book or a presentation. </span>synopsis<span>: A brief </span>summary<span> of the major points of a written work, either as prose or as a table; an abridgment or condensation of a work.</span>