7x-6y=42 find the slope of the line described by each equation

Pls brainliest will be awarded if answer is correct

Prove that (x-2)is factor of p (x)=2x³-3x²-17x+30

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