Pls help :) uh​

The height of a flare fired from the deck of a ship in distress can be modeled by h(t)= -2(8t^2-52t-28), where h is the height of the flare above water and t is the time in seconds. a. find the time it takes the flare to hit the water.

Graph the system of equations. {6x−4y=−244x−8y=−32 use the line tool to graph the lines.

Find the interior angle of a regular polygon which has 6 sides