Do you believe gun control, or the government could have stopped the devastating and recent shootings at VT?

As horrific and unforgivable this act of violence this was, gun control comes to play. We live in a time of blame. Sen. Dianne Feinstein, D-California, issued a statement saying, “I believe this will re-ignite the dormant effort to pass common-sense gun regulations in this nation.” from…

Am I legally obliged to fill finance company questionnaire over disputed ‘title’ of car?

I recently purchased a car from a dealer and have been contacted by a finance company claiming that there is outstanding payment for it and that they claim to have the ‘title’ or ‘ownership’ of the car. They have sent me a questionnaire asking for a lot of detailed and personal information. After…

Is (Z, -) a group? Where Z denotes the integers and – denotes subtraction?

Applying the axioms to decide whether its a group or not I find it not to be. The identity element exists, the inverse of each element exists but I think associativity fails. I can show it by a counter example but is there a more general way? Or am I completely wrong? Thanks!