Answer:
Step-by-step explanation:
Answer:

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Answer:
<h2>A.

</h2>
Step-by-step explanation:
The given formula is

Where
and 
To solve for
, first we need to move 

Then, we move the term 1

Finally, we move the factor 

Replacing given values, we have

Thereofre, the right answer is A.
Polyhedron, by definition, is formed by intersecting planes, so each part of its surface is either a vertex or an edge, or a flat piece of a plane.
Explanation:
The definition of polyhedron implies that each side is a piece of a flat surface.