Why is it not possible to form a right triangle with the lengths 2, 4 and 7? A. Because 4² – 2² ≠ 7²
B. Because 2 + 4 ≠ 7
C. Because 2² + 4² ≠ 7²
D. Because 2² + 7² ≠ 4²

Which best describes a central bank's primary goals? limiting inflation and reducing unemployment reducing unemployment and maintaining cash flow controlling stagflation and reducing unemployment managing credit and ensuring the money supply's liquidity