The body is divided into several different systems. Do you need examples of the systems?
I wish I knew the answer sorry .
Answer: is 60
Since it’s a square all sides are 15 so u can add them up
Equilibrium is the point at which quantity demanded and quantity supplied are equal
i am a c i am a c-h i am a c-h-i-s-t-i-a-n and i will l-o-v-e with my h-e-a-r-t
cause i am a c-h-i-s-t-i-a-n