Find the perimeter of a rectangles whose length is 12.38 cm and whose width is 2.1 cm. Round the perimeter to the nearest centimeter.

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.

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How many verticies does a triangular prims have