A submarine to study changes in the sea level of the pacific ocean descends 420 feet below sea level. 3 hours later, it makes an ascent of 170 feet. What is the submarines new position?

Jayne is studying urban planning and finds that her town is decreasing in population by 3% each year the population of her town is changing by a constant rate

Solve each quadratic equation by factoring and using the zero product property. 14x - 49 = x^2

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