Answer:
The answer is A
Step-by-step explanation:
The answer is A because a circle is a circle and it doesn't have any sides and it's a bunch of points that are the same distance from each other creating a circle like object.
Hope this helps :))
-2 (-30) - 3y = 42
60 - 3y = 42
-3y = -18
y = 6
Anything raised to exponent 0 equals 1
So

So we get

Answer : r = 4$
hope this helps