How did the Berlin Conference affect 19th-century European imperialism in Africa? A. It determined which African regions each European imperial power would control. B. It forced European powers to work closely with local leaders in their African colonies. C. It led to military conflicts among European powers over unclaimed territory in Africa. D. It ensured that Europeans would continue to rely on Africa as a source of slave labor.

Eventos independientes 3. En una gaveta se tienen 3 clavos de antimonio, 5 de acero y 12 de aluminio. Si se extraen 3 clavos al azar, calcule la probabilidad de que sean de antimonio a) Si se regresa cada clavo antes de sacar el otro b) Si no se regresa cada clavo antes de sacar el otro c) Si sólo se regresa el segundo antes de extraer el tercero

List the domain and the \( x \) - and \( y \)-intercepts of the following function. Graph the function. Be sure to label all the \( f(x)=\frac{x^{2}-9 x+18}{x+3} \) What is the domain of the function?

Solve the system by substitution. \[ \begin{aligned}-7 x+y & =-30 \\ 2 x-5 & =y\end{aligned} \]

Si \( \overrightarrow{\mathrm{u}}(-2,5) \) y \( \overrightarrow{\mathrm{v}}(1,-4) \) son las coordenadas de dos vectores respecto de una ba- se, halla las coordenadas respecto de la misma base de: \( -\frac{1}{2} \overrightarrow{\mathrm{u}}-2 \overrightarrow{\mathrm{v}} \)

is \( 34,17 \mathrm{~cm}^{2} \). Calculate its height, correct to 2 decimal places. Calculate the volume of a cube with surface area \( 2352,4 \mathrm{~cm}^{2} \). Calculate the surface area and the volume of a cylinder with ra