The surface area of a rectangular prism is given by
... S = 2(LW +H(L+W))
For your dimensions, the surface area is
... S = 2(3·1 + 2(3+1)) = 2(3 + 8) = 22 . . . ft²
Hi there!
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I believe your answer is:

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Here’s why:
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Hope this helps you. I apologize if it’s incorrect.
Answer:
Step-by-step explanation:
(5p)(7q)=35pq
Hey, there is no picture???
Average speed = (1/2) (beginning speed + ending speed)
= (1/2) ( 13 m/s + 30 m/s )
= (1/2) ( 43 m/s )
= 21.5 m/s