Answer:
No
Step-by-step explanation:
Only people in the lunch line got surveyed, that on it's own is biased.
Only 15 people out of the entire school.
Only the first people got surveyed.
Answer:
-9a^2+14
Step-by-step explanation:
NznzjzjzbzbzbjzkzjsavsvbsjsjJJsbsvsvzzbnzjzjjjbsjksiskwjsbsbvszbziidksbebsbeksiqoqlqpqppqisjdndnnlcosjwbsbsqoqpoeiesudbnxnznlanckvkvlppqwkjdnxkxpspqijrfjncxnkdls