Please help it’s timed, I cropped it wrong, You only need to answer question 4 if you want, question 5 would be cool I guess

What is r i 4.5+10r=-6.5 with work pls

Can you me find the slope! (30 points)

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