A theater manager is planning an upcoming concert. Regular tickets will cost $12 and student tickets will cost $8. The theater can seat at most 200 people. The manager wants to collect at least $1000 from ticket sales.
 Let x represent the number of regular tickets sold. Let y represent the number of student tickets sold.
 Which inequalities are among the constraints for this situation?
 Select each correct answer.
 x+y≤200
 x+y≥1000
 12x+8y≤200
 12x+8y≥1000
 12x+8y≤1000
 x+y≥200