I think the expression that you need is, 4-(2x). Hope it helps!
Rectangle = 8x16 = 128
Triangle = (1/2)(3)(6) = 9
Area of the irregular shape = 128 + 9 137 sq ft
Answer: A=1944m²
Step-by-step explanation:
A=6a2=6·182=1944m² ← Work
* Hopefully this helps:) Mark me the brainliest:)!!