8. ¿Crees que la consecución de la felicidad general es un fin para la Humanidad? Razona la respuesta. 9. ¿cómo establecemos lo que hace feliz a la mayoría, siendo tan subjetivo esto de la felicidad?

Simón y Juan deciden tener una carrera. Simón corre alrededor del perímetro de la piscina de largo 50 metros y de ancho desconocido, mientras Juan nada solo a lo largo de la piscina. Simón corre tres veces más rápido que lo que Juan nada. Juan nadó seis longitudes de la piscina, al mismo tiempo que Simón corría alrededor de la piscina 5 veces. ; Cuál es el ancho de la niscina?

Ahmad and Ali decided to take a long weekend in Langkawi. Tok Senik Resort has a special getaway weekend for \( \$ 79.95 \). The price is per person per night, based on double occupancy. The hotel has a minimum two-night stay. For this price, Ahmad and Ali will receive \( \$ 50 \) credit toward their dinners at Tok Seniks Resort Restaurant. Also included in the package is a \( \$ 3.99 \) credit per person toward breakfast for two each morning. Since Ahmad and Ali do not own a car, they plan to rent a car. The car rental agency charges \( \$ 19.95 \) a day with an additional charge of \( \$ .22 \) a mile and \( \$ 1.19 \) per gallon of gas used. The gas tank holds 24 gallons. From the following facts, calculate the total expenses of Ahmad and Ali. Assume no taxes. Car rental (two days): Beginning odometer reading Ending odometer reading Beginning gas tank: \( \frac{3}{4} \) full Gas tank on return: \( \frac{1}{2} \) full Tank holds 24 gallons Dinner costs at Tok Senik Resort Breakfast for two: Morning No. 1 Morning No. 2 Hotel Room 1. Hotel Cost 2. Dinner Cost 3. Breakfast cost 4. Car Rental Cost 5. Gas Costs 6. Total Cost

\begin{tabular}{|c|}\hline variable first) \\ Simplify this expression: \\ \( 7+6 x+2-4 x \) (Do not use spaces in \\ your answer and put your \\ variable first!) \end{tabular}

9. Quais os valores de x e y que satisfazem a equação matricial abaixo? \( \left[\begin{array}{cc}x-3 y & -2 \\ 4 & 2 x+6 y\end{array}\right]+\left[\begin{array}{cc}3 & 7 \\ 1 & -4\end{array}\right]=\left[\begin{array}{cc}9 & -5 \\ 5 & 4\end{array}\right] \)

The fastest pizza box folder can assemble 8 pizza boxes in 21 seconds. At this rate, how long would it take to assemble 20 pizza boxes?