Which of the following is a perfect square trinomial? A. 4x2 + 20 xy - 25y2
B. 4x2 - 14xy + 25y2
C. 4x2 + 14xy - 25y?
D. 4x2 - 20xy + 25y2

Statement: if two distinct planes intersect, then their intersection is a line. which geometry term does the statement represent? defined term postulate theorem undefined term

Astudent simplified a rational expression as shown.

Which ordered pair is a solution to the system of linear equations? 2x + 3y= 6 –3x + 5y = 10