I need help urgent with last question now pls

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.

What is the length and width of a 84.5 square foot rug? will mark

Simplify this expression. 8x 16(x + y)