3. Andrew Jackson had a difficult childhood. What evidence from the passage supports this conclusion?
A. Jackson grew up on the frontier of the Carolinas.
B. Jackson's parents were from Northern Ireland.
C. Jackson was born in a log cabin.
D. Jackson became an orphan when he was a teen.

How do economists measure the success, or shortcomings, of the economy?

What landform is circled in the map above?

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.