Answer:
AP lang, ap comp sci, ap calc AB, it honestly depends on what u need for your future career. :)
Explanation:
I think the answer would be introducing new information to the speeches closing lines.
B.Autonomous(the ethnic groups have had autonomy
number of different pairs the teacher can choose= nCr (18+14, 2)=496
no. of opposite gender pairs possible= 14 (since there are only 14 boys)
probability = 14/496= 7/248