Cuál es ala factorización correcta dél siguiente trinomio. * (3 puntos) \( 5 x^{2}+13 x-18 \)

Simplify the expression using the properties of exponents. Expand any numerical portion of your answer and only include positive exponents. Answer \[ \left(2 x^{-2}\right)^{-1} \]

\begin{tabular}{|l|l|l|l|}\hline listen \\ \hline\end{tabular} There are no more than 20 children in the daycare at any given time. Which inequalty represents this situation?

Find the determinant of the matrix. \( \operatorname{det}\left[\begin{array}{ccc}3 & -10 & 6 \\ 0 & -6 & -1 \\ 0 & 0 & -10\end{array}\right]=\square \)

\begin{tabular}{|l|l|}\hline 4) Listen \\ The width of the dollhouse is smaller than 13 inches. Which inequality represents this situation? \end{tabular}

\( \begin{array}{r}3 x+5 y=5 \\ -2 x-8 y=6\end{array} \longrightarrow \times \begin{array}{r}6 x+10 y=10 \\ \times 3 \\ +6 x-24 y=18\end{array} \) (4) Solve the system of equations. (4) The solution is \( (\square, ?) \)