Mr. Paulsen challenges Olivia and Angelica to move figure ABCDE onto
figure A"B"C"D"E" using a series of two different transformations. They each come up with a different combination of steps.

The rulers of the west african kingdoms expanded their lands by

Which of the following inventions most directly allowed ancient farmers to produce a surplus ?

Which source would best a historian understand the effect of the great chicago fire on families? a. a biography of a chicago family displaced by the fire b. a letter from a grandmother in new york to her family in chicago c. a newspaper editorial about families who were displaced d. an oral history dictated by an adolescent who fled the fire