Answer: (a)- 
Step-by-step explanation:
Given
Central angle is 
The radius of the unit circle is 
Arc length is given by

Put the values

The answer is no because after each 3 there is one more zero added
to be repeating the number of zeros would have to stay the same
Answer:
15
Step-by-step explanation:
2/3 of 30 is 20, so 1/2 of 30 is 15
log 4 ( a^5 ) - log 4 ( b^6 ) =
log 4 ( a^5 / b^6 )
C = 10m + 30, where C is total cost and m is # of months
C = 10(5) + 30
C = 50 + 30
C = $80
$160 = 10m + 30
160 - 30 = 10m
130/10 = m
m = 13 months
Hope that helps