Write an expression for
The value in cents of 5 quarters

Apositive number a or the same number a increased by 50% and then decreased by 50% of the result?

When y’all answer can y’all explain too !

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.