Help pls someone

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.

Write the sine and cosine values of a, b, respectively, in the figure for (1) and (2) + explanation.

What is the x-intercept and y-intercept of the equation 2x+1. 2o