8 What type of timer would you use to measure the period of a simple pendulum? How many oscillations would you time?

What is the constant of proportionality in the quation \( y=5 x \) ?

Karen made \( 51 / 2 \) pounds of trail mix. If she puts \( 13 / 8 \) pounds into each bag, how man bags can Karen fill? Write your answer as a fraction or as a whole or mixed number. \( \square \) bags Submit

4. Which of the following is NOT a guideline for good sleep? Sleep in a room that is cooler than normal. Participate in a vigorous activity an hour before bedtime. Avoid hard-to-digest foods late in the day, as well as fatty and spic Avoid too much liquid before bedtime.

\begin{tabular}{l} ¿Cuáles de las siguientes expresiones son \\ equivalentes a \( \frac{16}{5} ? \) \\ Elige todas las respuestas adecuadas: \\ A \( -\left(\frac{16}{5}\right) \) \\ C Ninguna de las opciones anteriores \\ C \( -\frac{-16}{-5} \) \\ \hline\end{tabular}

De sar posible, calcule la combinacion linal que s indica en codo cosso \( 2 C-3 E \) \( C=\left[\begin{array}{ccc}3 & -1 & 3 \\ 4 & 1 & 5 \\ 2 & 1 & 3\end{array}\right]\left[\begin{array}{ccc}3 & -1 & 3 \\ 4 & 1 & 5 \\ 2 & 1 & 3\end{array}\right]-\theta \)