Radius is half d so r us 4.5
Formula is 2x pi x r
So 28.3 to 3 s.f.
The equation is y=x+12 where action X represents how much rides were ridden total and 12 is the one-time admission fee
the answer is <em>D</em>
<em>Hopefully</em><em> </em><em>this</em><em> </em><em>helps</em><em> </em><em>you</em><em>!</em>