The answer is D). Hope I was able to help
A polygon has 5 or more sides and is made of 4 triangles your asking for the name of it which is confusing because then you list a 8,6,7 and 4 sided shapes can you explain that? so it could be A,B, or C but only one you can make in to 4 triangle so i would go with B
The integers are called the opposites because they are on the opposite side of zero.
There is no picture bestie -
The answer is D. 3/4
I hope this helped good luck!