PLEASE HELP I WILL MARK BRAINEST JUST HELP PLEASE!!!!!

Answer:
scale factor = [tex]\frac{1}{4}[/tex]
Step-by-step explanation:
The scale factor is the ratio of corresponding sides, image to original, that is
scale factor = [tex]\frac{1.5}{6}[/tex] = [tex]\frac{1}{4}[/tex]