which points are the foci of the ellipse? (−8, −1) and (−2, −1) (−6, −1) and (−5, −1) (−5, −4) and (−5, 2) (−5, −2) and (−5, 0)

Which situation is the best example of opportunity cost? a country chooses to produce bananas instead of wheat. a country chooses to invest in manufacturing and agriculture. a country chooses to specialize in producing paper products. a country chooses to export all of its products.