The height of a flare fired from a platform can be modeled by the equation h = 8t(−2t + 12) + 3(−2t + 12), where h is the height of the flare in feet and t is the time in seconds. Find the time it takes for the flare to reach the ground.

What is the approximate total length of iron edging needed to create the square frame and the two diagonals?

Offering 30 if a plus b plus c equals 68 and ab plus bc plus ca equals 1121, where a, b, and c are all prime numbers, find the value of abc. the answer is 1978 but i need an explanation on how to get that.

Which questions would most a reader identify the author's purpose for writing? check all that apply. what type of text is this? what type of reviews did the book receive? how many copies of the book have been sold? what is the central idea? how does this text make one feel?