The production of 1 kg beef causes 13.3 kg of carbon dioxide to be released into the atmosphere. The same amount of carbon dioxide is released when you burn 6 litres of petrol. Burning 15 litres of petrol would release the same amount of carbon dioxide as producing how much beef ( kg\( ) \) ? (A) 33.25 kg (B) 15 kg (C) 2.5 kg (D) 6.7 kg

1) 4 out of 20 students have vanilla ice cream and the rest have chocolate. What is the ratio of the number of students who have vanilla to the number of students who have chocolate?

2. Замените значок ( \( \square \) ) так, чтобы получилось верное равенство: \( 16 \square \square \cdot \square x^{3} y=96 x^{6} y^{4} \) 3. Найипе значение выраження \( \frac{\left(5^{3}\right)^{4} \cdot 3^{6}}{15^{9} \cdot 5^{2} \cdot 3^{-4}} \) 4. Представыте выражение \( \left(a^{-6} \cdot b^{5}\right)^{3} \cdot\left(a^{8} \cdot b^{-7}\right)= \) в виде \( \mathrm{a}^{\mathrm{m}} \mathrm{b}^{\mathrm{n}} \), где m,n- целые числа

Which of the following is equivalent to the complex number shown above? \( (i=\sqrt{-1}) \) A) \( -6-8 i \) B) \( -6+2 i \) C) \( 2+2 i \) D) \( 2+8 i \)

21. Скласти рівняння прямої, яка проходить через точку \( M_{0}(1,-1,-3) \) паралельно прямій \( \left\{\begin{array}{l}x=3 t-1 \\ y=-2 t+3 \\ z=5 t+2\end{array}\right. \)

Дан числовой набор: 13,347; 5,\( 16 ;-3,67 ;-12 ; 15 ; 10 ; \) 0,\( 8 ;-6,9 \). Упорядочи числа по убыванию.