Please answer! I will give brainliest ! ;)

At the newest animated movie, for every 9 children, there are 4 adults. there are a total of 39 children and adults at the movie.

For which of the following counts would a binomial probability model not be reasonable? a)the number of people in a classroom born in januaryb) the number of people in a classroom with red hair c) the number of people admitted to a hospital in a day with a particular disease d) the number of heart beats in a one-minute perio.

Which of the following pair(s) of circles have las a common external tangent? select all that apply. a and b a and c b and c