Answer:
B
Step-by-step explanation:
the mean is calculated as
mean = 
this year's mean =
=
= 4.1
last year's mean =
=
= 3.1
difference = 4.1 - 3.1 = 1
A. 7in
the radius is always half the diameter :))
branliest?
Answer:1+1=2
Step-by-step explanation:Because 1+1=2
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