The answer is C. Because the side triangles inner corner is 51 so the inner corner of the big train fled are 129. 129 + 20 equals 149 and 180 - 149 equals 31.
First, you do the distributive property on:
4(2n+3)
You would get
8n+12
Then add the original part of the equation in (4n)
4n+8n+12
Combine like terms
12n+12 is the answer
Answer:
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hellojdk feon you tuve tío asmem dmdk jeux keju gilaa
It really depends what you're understanding or how the problem is set up.
B. I’m pretty sure. Since the arrow is pointing towards the S which is at the beginning.