Which is a run-on sentence?

Which sentence corrects the error in pronoun-antecedent agreement? new team members should pick up his or her jersey from the activities office. if a team member is unable to attend a practice, he or she must provide a doctor's note. if students wish to compete, he or she must maintain a grade point average above 2.5. students are not permitted to attend away games without the consent of her parents or guardians.

You're playing the slots and "win" twenty-five bucks! you're stoked. during the past ten weeks, you've won another fifty bucks. but you've dropped two bucks in the slot machines every day for ten weeks

Which sentences are punctuated correctly? check all that apply. andrew's favorite vegetables are: cucumbers, green beans, and red peppers. darren told me about his travels to different tropical islands: hawaii, puerto rico, and jamaica. there were several activities to choose from at the resort: snorkeling, swimming, and hiking. samantha enjoyed many types of music, jazz, classical, hip hop, country, and heavy metal. on my way to the movies, i had to pick up: roger, miguel, kimberly, and bev.