8. Use a pronoun for the words in brackets: a) Junald is good at designing. The costumes are Junaid's) responsibility: b) Noxolo asked Carla to help (Noxolo). c) The play will be great. (The play's) auditions are next week. 9. Complete the paragraph using the following words: minutes, agenda, notes. first, Carla took followed the topics listed in the wrote the out in full. The meeting

Semejanzas : \( \mid \) Diferencias

6. \( y=\left\{\begin{array}{l}x+5 \text { if } x \leq 1 \\ 2-3 x \text { if } x>1\end{array}\right. \)

11. En una fábrica que hace camisetas deportivas, se calculan los costos \( y \) los ingresos por medio de dos funciones que dependen del número \( x \) de camisetas vendidas. - Función de costos: \( C(x)=300 x+12.000 \) - Función de ingresos: \( I(x)=900 x \) ¿Cuántas camisetas se deben vender en un día para que los costos sean iguales a los ingresos? \( \begin{array}{llll}\text { A. } 40 & \text { B. } 20 & \text { C. } 4 & \text { D. } 2\end{array} \)

Use a reference angle to find the exact value of the given expression. \( \cot 315^{\circ} \) Select the correct choice below and fill in any answer boxes in your choice. A. \( \cot 315^{\circ}= \) (Simplify your answer, including any radicals. Use integers or fractions for any numbers in the expression. Type an exact answer, using radicals as needed.) B. The answer is undefined.

c) \( 2 \frac{11}{18}-\frac{4}{9} \)