lalamcg115 lalamcg115 02-11-2021 Mathematics contestada 3. Look at the map. Explain why Elm Street and Birch Street are not perpendicular. A. The slope of Birch Street is 0. To be perpendicular to Elm, Birch would have to have a slope of negative 4/7. B. The slope of Birch Street is 0. To be perpendicular to Elm, Birch would have to have a slope of 7/4. C. The slope of Birch Street is 0. To be perpendicular to Elm, Birch would have to have a slope that is undefined.