Three sets have 5, 10, 15 elements, respectively. Howany elements can their union and intersection have?​

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

What restrictive measure required voters to pay to vote

Which of the following is not located along the national road? a. cumberland, maryland. b. buffalo, new york. c. wheeling west virginia. d. vandalia, illinois.