Article summary 3
With average U.S. college tuition continuing to rise at a rate roughly 3.5 percentage points faster
than inflation (Ehrenberg, 2012), graduating high school seniors face the prospect of taking on
substantial student loan debt only to be

Passwords are the keys to the kingdom and you need to guard them well. This module
covers what passwords are, why they are important and what makes a strong
password, with an emphasis on passphrases. In addition, it covers how to protect and
safely use pa

New software tools, high-speed connections: they introduce new risks to data security.
This series will introduce you to who is at risk, how attacks on data security happen, and
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Abstract Algebra HW 5 Due: Fri., 2/27/15 2:00 Determine which of the following
Diophantine equations have solutions. If there is no solution, explain briefly. If there is,
find a solution and then describe the set of all solutions. A. 6x + 51y = 22 B. 56x

Chapter 1 (Pg. 6-7)
Activities #4 9 (Be sure to answer each question completely)
Note #1: Activities are always at the beginning of each chapter, and Exercises are
always at the end.
Note #2: Please be sure to type your name at the top of the first page o

Abstract Algebra HW 2 Due: Fri., 1/30/15
1. Show that the following relation is not an equivalence relation. Check all three criteria to see
which one(s) it fails. Define the relation ~ on the set of real numbers R as follows: x ~ y provided
that x + y =