Arectangular inflatable swimming pool is 3 yards long, 2 4/5 yards wide, and 1 2/5 yards tall. what is the volume of the pool?

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.

I’m stuck on this equation, anyone got the answer?

In triangle △abc, ∠abc=90°, bh is an altitude. find the missing lengths. ac=26 and ch=8, find bh.