A shopkeeper buys a certain number of bottles of tomato sauce for R80. She sel but five of them, making a total profit of R10. If she sold each bottle for R2 more she originally paid, determine the number of bottles of tomato sauce that she boes

8. Rechne aus. Du kannst Stellenwertkarten oder eine Stellenwerttabelle benutzen. \( \begin{aligned} \text { a } 0.368+1= & \text { b } 4.9+0.3= \\ 0.368+0.1= & 4.9+0.03= \\ 0.368+0.01= & 4.9+0.001= \\ 0.368+0.001= & 4.9+1= \\ \text { c } 1.864-0.1= & \text { d } 4.325-0.2= \\ 1.864-0.01= & 4.325-0.02= \\ 1.864-1= & 4.325-0.003= \\ 1.864-0.001= & 4.325-3=\end{aligned} \)

a. If there is a charge of \( \$ 8 \) to play the game, what is the game's expected value? \( \$-1.33 \) (Round to the nearest cent.) b. What does this expected value mean? Choose the correct statement below. A. This value represents the expected loss over the long run for each game played. B. This value represents the expected win over the long run for each game played. C. The player can expect to break even over the long run.

Determina si la función es par, impar o ninguna. Real 1. \( f(x)=-x^{2}+5 \)

5) A média aritmética de um conjunto de 11 números é 45 . Se o número 8 for retirado do conjunto, a média aritmética dos números restantes será:

3. Which equation is a true proportion? \( \frac{4}{6}=\frac{8}{24} \) \( \frac{7}{14}=\frac{21}{28} \) \( \frac{3}{2}=\frac{2}{3} \) \( \frac{9}{20}=\frac{45}{100} \)