In how many ways can 6 people sit around a table 

The graph above represents inequalities

Let A = \(\begin{pmatrix}2 & -4 & 3\\5 & 1 & 0\end{pmatrix}\) and B =  \(\begin{pmatrix}1 & 4 & -2\\-3 & 3 & -1\end{pmatrix}\). Find A + 2B

The sum to infinity of a GP is 100, find its first term if the common ratio is -\(\frac{1}{2}\)

PQR is a triangle such that |PQ| = |QR| = 8cm and QPR = 60º. Find the area of \(\angle\) PQR