Explain the difference between trade-off and opportunity cost. I just need a short response. Thanks!

For questions 6-10, match the letter of the description that best matches the term. descriptions: a. to people reach their full potential b. refers to a persons drive to reach his or her full potential c. name the type of therapy developed by rogers d. being accepted by another just as you are, or accepting someone else just as they are e. the bottom of maslows hierarchy 6. need for food, water and oxygen 7. client centered therapy 8. self-actualization 9. the goal of the humanistic approach 10. unconditional positive regard

Which of the following statements best describes the terms of the treaty of guadalupe-hidalgo? a the treaty ended the mexican-american war, resulting in the u. s. finally being able to finish building railroads in texas. b the treaty ended the mexican-american war, resulting in mexico and the u. s. going back to their pre-war conditions. c the treaty ended the mexican-american war, resulting in the u. s. facing a lot of international backlash for the war. d this treaty ended the mexican-american war, resulting in mexico ceding a large amount of land to the united states.

In the 1800s, dorothea dix worked to improve conditions ina.)prisons and hospitals. b.)mills and factories. c.)utopian communities. d.)public schools