11, add six and a half to four and a half.
Hello,
Dividing by 0 is not defined so let s take x different from 4 and -4 and then we can write:
As

Thanks
Answer:
a) 12 ( I'm pretty sure)
Step-by-step explanation:
The simplification of the given expression
will be equal to 
<h3>What is simplification?</h3>
The process of reducing the complex mathematical expressions into the simplest form is called as the simplification.
The simplification of the given expression will be:

hence the simplification of the given expression
will be equal to 
To know more about Simplification follow
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Answer:
3
Step-by-step explanation:
Segment BC corresponds to segment DF. The length of BC is the distance between coordinates (0, 2) and (3, 2). These points are on the same horizontal line (y=2), so the distance between them is the difference of their x-coordinates: 3 - 0 = 3.