6n−28.8<−24+5n

8) Given matrix \( A=\left(\begin{array}{ll}5 & 2 \\ 3 & 2\end{array}\right) \) i) Find \( A^{-1} \) ii) Find the product \( A^{-1}\binom{3}{5} \) iii) Given that \( \binom{x}{y}=A^{-1}\binom{3}{5} \), write down the values of \( x \) and \( y \)

b) \( \frac{15}{4}= \)

4. Si \( M=\sqrt{M}-1 y\left(N=N^{2}+9\right. \) calcula (4) \( \begin{array}{lllll}\text { a. } 8 & \text { b. } 16 & \text { c. } 10 & \text { (d.) } 25 & \text { e. } 5\end{array} \)

ACITVIDAD 7 . Intercala 5 rarionales enure: a) \( \frac{-2}{5},-\frac{5}{2} \)

5. \( y=m x+b \) \( m= \)