Help me with math
and show ur work

What is the measure of the smallest angle in the diagram? 15 29 32 45

Write an equation for the function that includes the points (1,4/5) and (2,2/3)

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.