Question: but uh the Serger really makes it look professional
Serger makes it look professional.

Answer: yes

Question: um-hum well it is March after all you know you're not supposed to worry about sunburn in March
Your skin won't be damaged by the sun right now, it's March.

Answer: yes

Question: Only this time, instead of humiliating the jocks and cheerleaders, Ryder and her boyfriend, played by Christian Slater, kill them.
Ryder and her boyfriend hated the jocks and cheerleaders, so they took action against them because of this hate.

Answer:
it is not possible to tell