Which products result in a perfect square trinomial? Select three options.
(-x+9)(-x-9)
(xy + x)(xy + x)
(2x - 3)(-3+2x)
(16-x?)(x2-16)
(4y2 +25)(25+4y?)

Jack lives on a farm and has a large backyard. the area of his rectangular backyard is of a square mile. if the width of the yard is of a mile, what fraction of a mile is the length of the rectangular backyard?

Thee blue triangle has rotated from quadrant i to quadrant iii about the origin. describe the effects of the rotation on the coordinates of the blue triangle.

Vertical angles must check all that apply