Answer1 Normal Scout is 13 points.
160 points without any upgrades
It depends how you arm them. Due to copyrights, we can't answer anything about points.
A space marine scout bike squad is 70 points
You get one squad point for completing field orders, and you also get two squad points for ranking up and playing objectively and capturing flags
As many as you can get. The more people you have the more stunt groups you can have and the more points you can score.
He would just upgrade one of your models for whatever squad he is in as a Nob upgrade
It varies depending what else it is equipped with and whether or not it's attached to a squad as a dedicated transport. Due to copyrights, we can't answer any questions on points, so I encourage you to buy and read the codex for your answer.
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It's in your codex, it varies depending on how you field the squad as well.
A typical Necron Destroyer is 50 points. With upgrades it may vary.
From experience, topping up the squad slots by way of cheating causes some glitching in party abilities before they are earned properly. However, if you want to try it for yourself, Google the haxor trainer for ME2 (though only Shepard points can be frozen).