Magola makes baked goods for a living. she and a friend buy the ingredients, follow magola's recipes, and sell cakes and cookies to neighbors. cookies and cakes is the answer to which economic question(s)?

Federalism began to spread super soon after

Why did trump shut down the government?

Which of the following  bestillustrates a negative reinforcer?               a.  copland gives up candy to stave off chronic acid indigestion.    b.  nancy learns that she prefers chocolate over vanilla.    c.  carmine changes his major to english lit after failing a math exam.    d.  on a hot day, lindberg always drinks lemonade.