How do I solve friction problems on horizontal and inclined planes?

[Damienwhoisdumb]

ok...i don't get it...how do you do it...everything from on a horizontal plane...mue...inclined planes and anything to do with the force of friction...can someone point me in a direction where i won't look like this guy thank you

 

[Hailcanadien]

what in specific do you need help with?