Answer:
9pi
Step-by-step explanation:
circumference= 2 (pi) (r)
radius = diameter \ 2
r = 9 \ 2 = 4.5in.
c = 2 (pi) (4.5)
c = 9pi or 28.3in.
Hope this helps!
What do you need help with in math
Answer:
The graph is attached below.
Step-by-step explanation:
<em>As you have not added the graph, so I will be solving the function for a graph.</em>
Given the function









As we know that the domain of a function is the set of input or argument values for which the function is real and defined.





The graph is attached below.
9. there are 22 signs
10. 34.46 square miles
11. 77.9 miles
:)