Answer: 56
Step-by-step explanation:
The perimeter is just adding up all of the sides and we know an octagon has 8 sides, so you can just do 8 by 7 which is 56.
13x-8+7x+4+3x
Combine like terms
23x-4
It can only be simplified. Without an equal sign (=), x cannot be found.
Answer:
d
Step-by-step explanation:
I can help.. the answer is 320x2 which equals 640.. so it is $640
