I'm in dire need of help, nothing I can find online helps, and I've been able to get Number 1 & 3 done. I just really need the answers so I can learn the process of how to get the right answers from now on, my teacher gave us notes to study, but they weren't correct apparently and he won't help us. I really just want to be able to learn from this so I can pass my class. Any help is really appreciated​

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.

Ineed with number 6 , explain how to get 1978

Question 3 (essay worth 10 points) (03.06 mc) part a: max rented a motorbike at $465 for 5 days. if he rents the same motorbike for a week, he has to pay a total rent of $625. write an equation in the standard form to represent the total rent (y) that max has to pay for renting the motorbike for x days. (4 points) part b: write the equation obtained in part a using function notation. (2 points) part c: describe the steps to graph the equation obtained above on the coordinate axes. mention the labels on the axes and the intervals. (4 points)