5. Eric has 47 stickers. His brother has 4 times as many stickers. How many stickers do they have in all? Draw a bar model and give your answer.

Consider the following arithmetic sequence. \[ \begin{array}{l} 2, \frac{9}{2}, 7, \ldots \\ d=\square \\ a_{1}=\square \\ \text { (a) Identify } d \text { and } a_{1} \\ \text { (b) Write the next three terms. } \\ a_{4}=\square \\ a_{5}=\square \\ a_{6}=\square\end{array} \]

4. Del dinero que lleva mi mamá al mercado, gasta el \( 20 \% \) en fruta, el \( 35 \% \) en carne y el \( 30 \% \) en menestras y tubérculos. Si el resto, se emplea en leche y yogur, ¿qué tanto por ciento gasta en leche y yogur?

\begin{tabular}{|l}\hline Concept 3.14 - More Arithmetic with Complex Numbers \\ 1. Select all expressions that are equivalent to \( 8+16 i \) \\ a. \( 2(4+8 i) \) \\ b. \( 2 i(8-4 i) \) \\ c. \( 4(2 i-4) \) \\ d. \( 4 i(4-2 i) \) \\ e. \( -2 i(-8-4 i) \)\end{tabular}

5. El alquiler de mi casa es S/ 1440 . Si equivale al \( 15 \% \) de mi sueldo, ¿cuánto gano?

Find the absolute value of \( 5 \).