Most of the processes you highlighted are fine, don't see anything really out of the ordinary here.
What are the specs of this computer?
EDIT: Nevermind, I just looked them up. Specs like that... You could honestly just have a newer program that's eating up all the memory or processing power. Do you have any Norton or MacAffee software installed with all features turned on? That would certainly do it.
What are the specs of this computer?
EDIT: Nevermind, I just looked them up. Specs like that... You could honestly just have a newer program that's eating up all the memory or processing power. Do you have any Norton or MacAffee software installed with all features turned on? That would certainly do it.