Answer: the first one
Step-by-step explanation:
It is the only one that is right
Answer:
16.2
Step-by-step explanation:
12*1.35=16.2
(can I get brainliest pls)
Answer: 
Step-by-step explanation:
Circumference formula: 


Let, the number = x
It would be: x * 0.135 = 57
x = 57 / 0.135
x = 422.23
Hope this helps!