121 point What was the main reason for opposition to the Vietnam War among Americans? Fear of communism Lack of military progress Concerns about the cost of the war Moral opposition to war 13 1 point

6. Мотоцикпші жолдың \( 1 / 4 \) бөлігін 2 сағ 50 минутта журіп өтсе, толық жолды журіп өтуге қанша сағат жұмсайды? (A) 10 сағ 20 мин (B) 10 сағ 40 мин (C) 11 сағ 20 мин (D) 11 сағ 40 мин

गुणनखंड कीजिए- \( \begin{array}{ll}\text { (i) } a^{2}-(x-y)^{2} & \text { (ii) }(x+y)^{2}-z^{2} \\ \text { (iv) } 9 a^{2}-4(b-c)^{2} & \text { (v) }(a+2 b)^{2}-c^{2} \\ \text { (vii) } 25(a-b)^{2}-c^{2} & \text { (viii) }(2 a-3 b)^{2}-c^{2} \\ \text { गुणनखंड कीजिए- } & \end{array} \)

Como la respuesta de la primera pregunta es no es necesario responder

14 (a) Simplify \( \frac{6 e^{2}}{21 e f} \div \frac{3 d e}{28 f^{2}} \)

Use the change-of-base formula and a calculator to evaluate the logarithm. Round your answer to three decimal places. \( \log _{1 / 2} 6 \) \( \log _{1 / 2} 6 \approx \square \) (Do not round until the final answer. Then round to three decimal places as needed.)