d. Develop a "what if" statement from the text or picture (of John Gast's “American Progress" image);

''What if the settlers did not migrate to the west, what will be the consequences''

Explanation:

''What if the settlers did not migrate to the west, what will be the consequences'' is the statement from the text or picture of John Gast's “American Progress" image. The main idea of the image is that it was the main duty and responsibility of Americans to expand the country up to the Pacific Ocean. If they did not do that, the country will be undiscovered and the American people can't take advantage of the resources present in the west.

6 units. ab and lo are congruent sides, and if ab= 6 units, then lo would be the same.