B is the valid use of the associative property of addition
Answer:
Median = 12.5
Step-by-step explanation:
Median is the middle number of the data set from least to greatest.
Reorder the set from least to greatest:
2, 5, 9, 10, 15, 20, 20, 60
Median = (10+15)/2 = 12.5
Answer:
30
Step-by-step explanation:
Add one to the other side and y=1/2
It would be 14.6 because the 13 in the number are below 5 so you round down
