90 points asap

use long division to divide these two polynomials and show all of your work.

(2x^4 - 3x^3 - 57x^2 - 128x - 84) ÷ (2x + 3)

is this a factor of the original polynomial?

you in advance i really need the asap!

Which function is shown in the graph below?

The area of a rectangle is 15+5y square feet. which of the following expressions could be the length of the sides of the rectangle, in feet a. 5 and 3y b. 5 and 3+y c. 5 and 5+y d. 3 and 5+3y

Aswimming pool is a rectangle with semicircles on the end. the rectangle is 12 meters wide and 30 meters long. the diameter and width of the swimming pool are equal. sketch and label an overhead diagram of the swimming pool. find the area of the swimming pool floor.