Concept:A cell in a spreadsheet is the intersection of one row and one column.
Explanation:Row 1 is the horizontal first row of the given worksheet.
From the image, row 1 contains the headings:
BOOKS, SUPPLIED, TO SENIOR, HIGH, SCHOOLS.
Each of these five headings is placed in a separate cell.
Therefore, the total number of cells containing data in row 1 is
5.
Answer:B. 5
