Help I don’t know the answer

Using two or more complete sentences, describe how you can find a vector parallel to b=-2,3

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.

Lines a and b are parallel. what is the value of x? -5 -10 -35 -55