Determine the nature of the roots of the following kinetic equation using the discriminant x

Which point is a solution to y s 4x + 5?

What is the value of n in the equation -1/2(2n+4)+6=-9+4(2n+1)

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