Answer:
A
Step-by-step explanation:
A) r = 8
B) r = 4
C) r =
~ 3.09
D) r =
Circle A has the largest radius, and thus is the largest circle
Answer:
it's c because it's the missing value
QUESTION 1
The given function is

We simplify to get;

This function is equal to zero when 

QUESTION 2
The given function is
We factor to get;
This function equals zero when


QUESTION 3
The given function is

We factor to get,


The function equals zero when 



Hence the equation has no real roots.
The complex roots are
or 
155.2 + 0.4 = 155.6
155.2 - 0.4 = 154.8
so it ranges from : 154.8 to 155.6