Final answer:
The correct statements are B and C, indicating that the running head is required on every page of an APA format paper, including the title page, and the page number is aligned to the right in the header.
Step-by-step explanation:
Correct usage of a running head and header in APA format includes having the running head on every page, including the title page. The page number is placed in the header, aligned to the right. It is important that the running head is consistent in font and style with the rest of the paper. According to the APA 7th edition guidelines, your paper should have one-inch margins on all sides, and every page should be double-spaced with the paragraphs indented one-half inch. Page numbers should start on the title page and continue through the paper, placed in the upper-right corner. Therefore, the correct statement indicating the proper usage of a running head and header is: B. The running head is required on every page, including the title page, and C. The page number is placed in the header, aligned to the right.