I am an engineer and I arrived to the U.S. 10 years ago. I have an MBA (Valparaiso University) and a master's degree in Mathematics (Purdue University Calumet). I love teaching math and science courses (physics and chemistry). I worked professionally as a petroleum engineer and in my free time I tutored math, physics and chemistry for 15 years (Lima-Peru) to students of different academic levels, from high school to first year of college. I was an Spanish instructor at Purdue University and I...