Yamaha did not want finish her store because she didn’t know how to blow up the balloon
It would be Nemo because that's who Dory is giving the leaf, or the direct object, to. You can think of it as the indirect object bouncing back from the direct object.
Tybalt is Juliet's cousin, originally, Tybalt wanted to duel Romeo instead. But since he and Juliet are married, he cannot fight Tybalt as he is basically his cousin-in-law, thus, Romeo rejects Tybalt's challenge. Mercutio finds this quite cowardly as a result he himself challenges Tybalt to fight.
I wanted their children to have a better education. Hope this helps! :)