Which inequality is NOT part of the system of inequalities that defines a polygonal convex set that includes all points in the interior
of a square whose vertices are: A(6,8), B(6-8), C(-6, -8) and D(-6, 8)?

Breana is selling tickets to a choral performance. on the first day of ticket sales , she sold 3 senior citizen tickets and 1 child ticket for a total of $38. breana took in $52 on the second day by selling 3 senior citizen tickets and 2 child tickets. what is the price of a senior citizen ticket?