Answer:
Equations: 
number of chickens = 52
number of goats = 28
Step-by-step explanation:
Given: A small ranch has chickens and goats
Total number of heads = 80
Total number of legs = 216
To find: number of chickens and goats
To draw: the graph
Solution:
Let x denotes number of chickens and y denotes number of goats.
According to the question,

From (i), put
in (ii)

Put
in equation (i)

So,
number of chickens = 52
number of goats = 28
Rounded it is 11.7 cubic cm.
I think its A!! But im not sure
Answer:
C, the set of all possible output values
Step-by-step explanation:
Range = Output
Answer:
4 plus the difference of 27 and 10
Step-by-step explanation: