A person shopping in a grocery store walks 12 meters north down an aisle then 10 meters east, then 3 meters north to get some peanut butter, What is the shoppers displacement? Write your answer without units,

Document info... Citation: Washington's farewell address.. New York, New York Public Library, 1935. pg. 105; 136. Courtesy of the Milstein Division of United States History, Local History & Genealogy, The New York Public Library, Astor, Lenox and Tilden Foundations.
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(on Archives.gov)
In his farewell Presidential address, George Washington advised American citizens to view themselves as a cohesive unit and avoid political parties and issued a special warning to be wary of attachments and entanglements with other nations.