Octagans have 8 sides.
Perimeter is thought of as the length a piece of string would be if it was layed around the edges of the shape.
There are 8 sides, each 12units in length.
Perimeter=8*12=96units
Answer:
Step-by-step explanation:
I suppose the expression is this 
We can factor out this expression ( Remember, find two numbers that the sum is 9 and the product is 8. The numbers are 8 and 1)

Answer:
x=-6
y=4
Step-by-step explanation:
i just took the quiz
hope i could help
Answer:
x=5
Step-by-step explanation:
120
6x5x4=120
hope this helps