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
Answer:
b 2,3,8
Step-by-step explanation:
Y=234678
Z=278910
X=12358
234678910 n 12358
=238
I'm not sure but I think it is the first one
Answer:
10.5
Step-by-step explanation: