3a+1=3.6(a-1)
Not an identity
Step-by-step explanation:
Hope it helps.
Handwriting is a bit poor. So, restraint is advised!
:)
Answer:
Step-by-step explanation:

Answer:
D
Step-by-step explanation:
The formula for calculating circumference (C) are
C = 2πr ( r is the radius ) → D
or
C = πd ( d is the diameter )