357 centimeters would be your answer, this is because:
21*17=357cm
I hope this helps.
Well 392 = 300 (Hundred), 90 (Tens), 2 (Ones)
Answer:

General Formulas and Concepts:
<u>Pre-Alg</u>
- Order of Operations: BPEMDAS
<u>Alg I</u>
- Slope Formula:

Step-by-step explanation:
<u>Step 1: Define</u>
Point (2, 6)
Point (1, 9)
<u>Step 2: Find slope </u><em><u>m</u></em>
- Substitute:

- Subtract:

- Divide:

48. B and 47 is out of c and b