17 = x + 3
Someone teach me how to do this

Type the correct answer in each box. use numerals instead of words. if necessary, use / for the fraction bar. consider the given table.

Which one ? is the answer and how to find this answer

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.