Answer:
The third option.
Step-by-step explanation:

Hence the 3rd option.
Answer:
15 = 0.025
16= 3 years
Step-by-step explanation:
15.
I=prt
15= (200)(r)(3)
200(3) = 600r
15 divided by 600r = 40 (0.025)
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16.
I=prt

t= 3 years
Circumference is π*diameter. since we're given a diameter of 14, the circumference is 14π
I have no idea.... Try to ask your teacher or your parents