I agree im not the best at math but I think it is $0. Hope this helps. Sorry if im wrong.
Answer:
2
Step-by-step explanation:
4, 5 & 6 were answered on another question plus the circle isn't shown on this one.
7. semi circle is half a circle, there re 4 arcs smaller then half
they are DB, DC, AC and AB
last choice is correct
Answer:
D
Step-by-step explanation:
I think this is the right answers i am not sure tho