Answer:
8pi
Step-by-step explanation:
The formula for circumference is the radius multiplied by
. In this case,
. Hope this helps!
The answer is going to be (5+10)/5. Hope that helped
Answer:

Step-by-step explanation:

__
The applicable rules of logarithms are ...
log(ab) = log(a) +log(b)
log(a/b) = log(a) -log(b)
log(a^b) = b·log(a)
A, you combine like terms.
a) 11n-4+n+12
11n+n=12n
-4+12=8
12n+8