Yes because 4x3^x =12^x since the coefficient is added to the answer because it is in the 3.
Answer:
C) 
Step-by-step explanation:

Therefore, C is correct. Recall that 
The answer should be A, if he marked it up 70% just multiply 66 by 1.7 for your answer.
Answer:
250 ft
Step-by-step explanation:
circumference of circle 'C' is defined as
C = 2πr
250π = 2πr
r = 250π/2π
r= 125
d = 2r = 2×125 = 250
.
diameter of the given circle is 250 ft