Answer:

Step-by-step explanation:
The irregular shape's area consists of the sum of the areas of all the shapes that make it up.
Area of pink triangle: 
Area of purple square: 
Area of green quadrilateral: 
Area of blue triangle: 
Therefore, the area of the irregular polygon is
.
The perimeter of the irregular polygon consists of certain shred sides from the four polygons that make up:

It's only true for specific x values but not all x values. The final answer is FALSE.<span>
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Hope you could get an idea from here.
Doubt clarification- use comment section.
Multiplying both sides of an equation by the same number keeps the equation true. In this example, both sides are multiplied by 3, so the equation isn't changed.