Acookie recipe calls for 5/8 cup of flour and 5/6 cup of sugar what is the least common denominator of the fractions a 6 b 12 c 18 d 24

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.