Expand the following:

a) 8(×-2y)​

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.

Anyone? 15m is what percent of 60m; 3m; 30m; 1.5 km?

What is the solution for 6 - 7/8? explain the steps.