It wouldn't affect the mean or the median.
Answer:
quadratic
Step-by-step explanation:
m<W: 23
8x - 9 + 30x - 4 + 13x - 11 = 180
51x - 24 = 180
51x = 204
x = 4
m<W:
8x - 9
8(4) - 9
32 - 9
23