Mary Hansen

Mary Hansen received her B.A. in mathematics and her M.A.T. in education from Trinity University in San Antonio, Texas. She has taught mathematics and special education and has worked at the elementary school, high school, and college levels in Texas, North Carolina, and Kansas. She is the co-author of Algebra I: An Integrated Approach, Algebra 2: An Integrated Approach, and Geometry: An Integrated Approach, and she is the author of Business Math, 17th Edition. Mary currently works as an...See more