What is exactly 1 6 full rotation

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.

What is another way to express 36 +32

Which letters from the table represent like terms? a and b b and c a and d b and d