The solution region of system of inequations 8x + 3y < 24, x ≥ 0 and y ≥ 0 represents a
Pentagon
Triangle
Unbounded region
Quadrilateral
Solution region of inequalities x ≤ 0, y ≥ 0 lies in
The region representing the solution of the system of inequalities 4x + 5y ≤ 20, 5x + 2y ≤ 20, x ≥ 0, is a