B
The formula for circumference is

d, or Pi times diameter
Answer:
Brand D has the highest return rate so they should eliminate that one.
Step-by-step explanation:
brand A - .0481
brand B - .0307
Brand C - .0410
Brand D - .0788
Answer:
e
Step-by-step explanation:
ddd
Hope this helps!
1,366-1,366
This is = to 0
£350 because 420/6 is 70 and 70*5 is 350