music: Who Sang It: "Make this world a better place if you can..."?

Questions

Simpsons: In the episode when Ned's house is destroyed, what does Bart reply to him after Ned says something mean to him?

Simpsons: In the opening credits, how many cars do the Simpsons have?

Simpsons: In which movie was Moe in?

Simpsons: Milhouse was the movie sidekick of what comic book hero?

Simpsons: What concert does Homer take Bart & Lisa too?