can someone help me with this please?? its due today and i only have an hour to finish. im failing math right now and i really need to get my grade up before monday

Answer:
C = 18π cm
General Formulas and Concepts:
Pre-Algebra
Order of Operations: BPEMDAS
Geometry
Circumference Formula: C = 2πr
Step-by-step explanation:
Step 1: Define
Identify variables
r = 9 cm
Step 2: Find C