F(x)=x^4−4x^3−22x^2+4x+21
Select each correct answer.

−3
−1
0
1
3
7

Find the given elements if matrix d:

Quadrilateral abcd in the figure below represents a scaled-down model of a walkway around a historic site. quadrilateral efgh represents the actual walkway. abcd is similar to efgh. what is the total length, in feet of the actual walkway?

Identify the number 127 as a rational or irrational. explain