Which of the following is a factor of 54 ?

3. Answer the questions. Questions

2) Realiza la reducción de términos semejantes en cada una de las siguientes expresiones a) \( 2 x-5 x-x+4 x-3 x-2 x+7 x \) b) \( a+2-3 a-2 a+5-6+a \) c) \( -y^{2}-8 y+2 y^{2}+3 y^{2}-5 y+2+10 y-1 \) d) \( 4 m^{2}+9+3 m^{2}+2 m+8 m-8+5 m-6 \)

Directions: Answer the following questions in the spaces provided. What goods flowed into China along the Silk Road? 2. Why was the journey along the Silk Road difficult? What geographic features added to the dafficulty? 3. Why were merchants able to make a protit on the Sik Road? 4. Which city is the easternmost city on the Silk Road? Which city is the westernmost? 5. Analyzing Do you think that trade between countries today still leads to the exchange of technology and ideas? Explain your answer (

9. \( 7^{3}-5^{4}= \)

s que dibujó Marcela: 1er aingulo