Can anyone help me with the whole thing please. it’s due today and it a quiz

2-digit numbers less than 91 which are 1 less than a multiple of 10

Which is a reasonable estimate of the amount of water in a small, inflatable pool used by children?

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.