Answer:
54
Step-by-step explanation:
18 inches per year * 3 years = 54 inches
a 25-7.36
=17.64
b 8.65+4.23-3.5
=12.88-3.5
=9.38
-3 -24
-120 9
-21 -9
8 -48
The median is 20.
When lined from least to most (15, 20, 20, 22, 25) 20 is the middle number.
