Oh wow 11. Is young. I can't imagine having my mom break that news to me. I would suggest not telling her. But clearly you have to because of her biological dad. I really don't know how you tell some one that. But I suggest not making a big deal. Don't take her out to dinner or for ice cream. I...
Cross Country of course. Honestly I don't count cheer leading as a sport. Wearing skimpy outfits and shouting doesn't take much. Oh yeah you have to run for practice and thats it. During the games you are used for entertainment only.