C=2πR
C equals the <span>circumference of the circle, while π is 3.14 and R is the radius. them multiply that by 2
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Answer: 
Step-by-step explanation:
According to the properties of logarithms, we have
To rewrite : 
in the form of log(c).
Therefore,
[
]
Hence, .
I think you would do that
3. i=129; j=112
4.k=90;l=116;m=64;n=86
5.o=13;p=78;q=91
6.a=120;b=60;c=140
Can't see #7
You did 8 I believe
9.v=39;w=59;x=121
10.y=59;z=93
11.a=42;b=48;c=132
12.a=60;b=50;c=80;d=100
P(x) = 18x - (5x + 20)
p(x) = 18x - 5x - 20
p(x) = 13x - 20 <===
