Explain why the tiling below does not form a semiregular tiling of the plane. 
Definitions:
Top Managers
The president and other top executives of a business, such as the chief executive officer (CEO), chief financial officer (CFO), and chief operations officer (COO), who have overall responsibility for the organization.
Middle Managers
Those members of an organization responsible for the tactical planning that implements the general guidelines established by top management.
Q12: Which of the following statement best describes
Q19: How much would you have to invest
Q19: Apples cost about $1.75 Canadian dollars per
Q50: Can the tile below be used to
Q57: Estimate the equilibrium population size.
Q62: If points (0.4, 26) and (1.2,
Q63: In 1997 a bottle of soda costs
Q89: Create an Escher-like tiling that uses only
Q95: Create a tiling of the plane using
Q110: You own a painting whose dimensions are