Answer:
2z^3+4z^2-2z-4
Step-by-step explanation:
Distribute
2z^3+2z^2-4z+2z^2+2z-4
Simplify
A is a chord.
B is a diameter.
C is a circle
D Is a radius.
Now you have the answer to four questions!
Answer:5
2 +3=5
3+2=5
