Ryan must purchase new pillows and blankets for a donation drive to help people in need. Each new pillow costs $8 and each new blanket costs $25. Ryan can spend at most $600, and he must purchase at least 20 blankets. Let x represent the number of new pillows. Let y represent the number of new blankets. Which inequalities are among the constraints for this situation? Select each correct answer.
x≥20

x > 0

y≥20

25x+8y≤600

8x+25y≤600

x+y≥600