I'm not sure this is a question its just a statement.
Tu because If you put Mi or mis son rojos it says my are red which dosen't really make sense. Since you put tu in front of son (plual) it would be they are red.
Do you mean Deccoloras El polo. If so, then it means "with what do you bleach your hair"
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2 - Ahora y en el pasado : Rewrite these sentences in the preterite tense, changing only the verbs.</h3>
<em>1.</em><em> Ramón escribe una carta al director del programa. </em>
Answer 1: Ramón <em><u>escribió</u></em> una carta al director del programa.
Translation 1: Ramón wrote a letter to the director of the program.
<em>2.</em><em> Mi tía trabaja de dependienta en un gran almacén. </em>
Answer 2: Mi tía <em><u>trabajó</u></em> de dependienta en un gran almacén.
Translation 2: My aunt worked as a sales assistant in a department store.
<em>3.</em><em> Comprendo el trabajo de la clase de biología. </em>
Answer 3: <em><u>Comprendí</u></em> el trabajo de la clase de biología.
Translation 3: I understood the work of the biology class.
<em>4.</em><em> La familia de Daniel vive en Argentina. </em>
Answer 4: La familia de Daniel <u><em>vivió</em></u> en Argentina.
Translation 4: Daniel's family lived in Argentina.
<h2><em>Spymore</em></h2>