Answer:
chicken
Step-by-step explanation:
cuz im like that
A bc i did the test so yeah.
Answer:
A and D
Step-by-step explanation:
Unit circle is a circle described by the equation
x^2 + y^2 = 1
We can try each pair and check
A. 
B. 
C. 
D. 
Answer:
A
Step-by-step explanation:
They both equal 2(x+y+1)