Dados los vectores : \( \vec{u} 1=(1,3,2) \quad \vec{U} 2=(1,5,0) \) \( \vec{u} 3=(-2,-6,5) \) d) Presentar un subespacio de \( R^{3} \) de dimensión 2 que contenga a \( \vec{U}_{2} \) e) e Cuanto debe valer \( k \in R \) para que el vector \( \vec{v}=(-3, k, 2) \) sea combinación lineal de \( s=\{\vec{u} 1, \vec{U} 2\} \) Justificar

12 is a quadratic residue modulo 13 . True False

6. How did the pandemic highlight the interconnectedness of global communities? 7. What can you infer about the adaptability of schools and businesses during the pandemic? 8. How did people's understanding of the virus evolve over time, and what factors contributed to this change?

2 is a quadratic residue modulo 5

What action does the USDA believe could save the United States \( \$ 200 \) million per year in fuel costs? A) increasing irrigation efficiency (B) increasing food prices (C) decreasing dairy farmers Decreasing population growth

10. Based on the article, what can you infer about the potential for future pandemics and the importance of preparedness?