Given $A = \left[ \begin{array} { c c } - 5 & 2 \\2 & 4\end{array} \right]$

Q66: Graph the inequality <span class="ql-formula"

Q67: Find the inverse of the matrix.

Q68: Find the partial fraction decomposition of

Q69: Find the partial fraction decomposition of

Q70: Find the quadratic polynomial <span

Q72: Solve the system. <span class="ql-formula"

Q73: Graph each linear system, either by

Q74: Use a calculator that can perform

Q75: Solve the system of linear equations.

Q76: Write out the form of the