The height of a flare fired from the deck of a ship
in distress can be modeled by h=-167 + 104t + 56,
where h is the height of the flare above water and tis
the time in seconds. Find the time it takes the flare to
hit the water.

Rob spent 25%, percent more time on his research project than he had planned. he spent an extra h hours on the project. which of the following expressions could represent the number of hours rob actually spent on the project? two answers