Can any one answer these questions

You paid 28.00 for 8 gallons of gasoline. how much would you pay for 15 gallons of gasoline?

Solve each quadratic equation by factoring and using the zero product property. x^2 - 8x + 30 = 3x

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