Important changes in global trade in the 1990s were made by . a. NAFTA and WTO. c. WTO and OPEC. b. NAFTA and OPEC. d. OPEC and the United Nations.

I don't know the answer but its not D. they are incorrect if your doing edge 2021 Africa and the Middle east its incorrect NOT D.

A. ( NAFTA and WTO )

Explanation:

This is correct on Edge 2021

explanation:

i have ni idea

part a. there were 250 teenagers surveyed (100% of tenagers = 250)therefore 1 % = 250/100 = 2.5 76% = 1% x 76 = 2.5 x 76 = 190 teenagers of the 250 surveyed liked burgerspart b: jane surveyed 25% (which is equal to 50 teenagers, i.e. a quarter of the teenagers surveyed is 50) to get 100% we simply get 4 quarters, i.e. multiply 50 by 4 = 200 teenagers were surveyed by jane. part c: it is impossible to give an example where a percentage is greater than 100%, since, by definition , percentage means "per 100".