Which of the following was not a hardship the settlers faced?

Wite three integers that do not nave all the same sign (you should. he negative number) that have a sum of -8 Draw a chip model to go

De ser posible, Calcule la combinacion linal a Se indica en coda caso \( 2 C-3 E \) \( C=\left[\begin{array}{ccc}3 & -1 & 3 \\ 4 & 1 & 5 \\ 2 & 1 & 9\end{array}\right]\left[\begin{array}{ccc}3 & -1 & 3 \\ 4 & 1 & 5 \\ 2 & 1 & 3\end{array}\right]-E \)

Evalúa la expresión siguiente. \( 1-(-4)^{2} \)

D) \( \left(\frac{2}{3}-\frac{41}{6}\right) \cdot\left(-\frac{9}{14}\right)= \)

Use your calculator to find the value of each of the following a) \( \tan 60^{\circ}= \)