My name is John. I am a 68 year old retiree who enjoys working with high school students to improve their algebra and geometry skills. I have been doing on-line tutoring for 4 years and believe I’ve helped several students improve their grades while also keeping my own cognitive skills refreshed in retirement. (read more)
...I've seen that students usually need the most help in these areas, so over the years I have developed a wide range of lessons and activities in math and writing. My experience teaching GED classes and my familiarity with all the subject areas it covers are my qualifications for tutoring students looking to take the test. But it's my approach that makes the difference. (read more)
...Naval Academy, and a Master of Education degree from Norwich University. I achieved perfect math scores of 800 on both the SAT and the GRE. I have tutored many students, especially in NY high school Regents math and science courses, as well as college calculus and calculus-based physics, and I truly enjoy sharing my methods of understanding these subjects with others. (read more)
...It has also been shown that if R on A is antisymmetric, R n R-1 ? {(a, a): a ? A}. Therefore, a relation R on a set A is antisymmetric if and only if R n R-1 ? {(a, a): a ? A}.
Given that A and B are sets, (A - B) n (B - A) = { }.
Let A and B be sets. Suppose, for the sake of contradict... (read more)