It snowed 1/8 inch every hour for 3 hours. then it snowed 1/2 inch every hour for 7 hours. what was the total snow fall that was measured overall 10 hours ?

Me answer number 3plz explain how you do it

How can you decide witch operations to use to slice a two step equation

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.