Simplify the following expression completely, where x is greater than or equal to 0.

x sqrt 5xy^4 + sqrt 405x - x^3y^4 + sqrt 80x^3y^4

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.

What is coefficient of the term of degree of degree 5 in the polynomial below

Complete the steps, which describe how to find the area of the shaded portion of the circle. find the area of the sector by multiplying the area of the circle by the ratio of the to 360. subtract the area of the triangle from the area of the sector.