About 4-5 days if kept in the fridge (come on people use your nose and your common sense!)
If it still smells good then it is OK. Heat it up properly before eating.
Not the best idea, but yes. Do at your own risk!
it is good
A red wine would ordinarily be enjoyed with lasagna.
If you are looking for a good lasagna recipe you should try foodnetwork website. They have lots of great Italian recipes including lasagna. You could also try allrecipes website as well.
meats can not be saved for longer than 3-5 days if it is not cooked. If it is already cooked than not longer than a week.
Salad, french bread
triangle lasagna and no
There are many good recipe websites at which one can find good recipes. A very popular one is allrecipes.com but there are many others to choose from to find good lasagna recipes.
2-3 days
yes it is. especially if it has already been cooked. fish can only stay good for so long.
Yes. They are still good. Make sure they are reheated to the proper temperature.