B is 12
c is 6 because you don't count the zero
<h2>the answer i thinkk is 2/20 because since there ae 20 children, then the brother and sister each have a 1% chance, hope this helped!</h2>
The answer to the first part is (4,1).
The answer to the second part is (11,2).
Answer: 36 intersections
Step-by-step explanation:
