Answer:
C
Step-by-step explanation:
A. First two rectangles are dilations because
[tex]\dfrac{2}{4}=\dfrac{4}{8}=0.5[/tex]
B. Second two rectangles are dilations because
[tex]\dfrac{2}{4}=\dfrac{3}{6}=0.5[/tex]
C. Third two rectangles are not dilations because
[tex]\dfrac{3}{4}\neq \dfrac{2}{3}[/tex]
D. Fourth two rectangles are dilations because
[tex]\dfrac{3}{4}=\dfrac{1.5}{2}=0.75[/tex]
