Answer:
326m²
Step-by-step explanation:
Find the area of each side and find the total sum from each individual area:
2(15*4)+2(7*4)+2(7*15)=2(60)+2(28)+2(105)=2(163)=326
So the surface area of the prism is 326m²
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-2x-6 Simplified
4x-2(3x+3)
4x-6x-6
Combine like terms
-2x-6
