Answer:
I would use it you don't those very often and I'm speaking that out of human answer.
Answer:
The radius of the circle is 
Step-by-step explanation:
we know that
The circumference of a circle is equal to

In this problem we have


substitute and solve for r


Answer:
-1/3
Step-by-step explanation:
slope= 
The circumference of the top of the cake is
in.
It sounds like the baker is trying to line the circumference with cherriesto fit as many as possible along the border, like in the picture I've attached below.
This comes down to dividing the cake's circumference by the diameter of each cherry:

or about 39 cherries, making the answer D.