Michigan Geometry NEED HELP PLEASE

In the figure, polygon ABCD is dilated by a factor of 2 to produce A'BCD with the origin as the center of dilation
Point A is at (blank) and Point D is at (blank)

Point A options
(2,1)
(-2,-2)
(-2,2)
(1,2)

Point D options
(-2,2)
(-2,-2)
(4,-2)
(4,2)

Question 3(multiple choice worth 4 points) (04.04 lc) what does it mean when an element is reduced? it empties a valance shell, reducing its atomic radius. it gains electrons, reducing its overall charge. it increases electronegativity, reducing its ability to bond. it loses electrons, reducing its electron number.

Which polymers are most closely related? a. protein and nucleic acids b. cellulose and starch c. nucleic acids and starch d. nucleic acids and cellulose

Which of the four hypothetical substances you investigated would be most harmful to living organisms? 50 points!