Answer:
scale factor = [tex]\frac{14}{5}[/tex]
Step-by-step explanation:
the scale factor is the ratio of corresponding sides , image B to image A
scale factor = [tex]\frac{7}{2.5}[/tex] = [tex]\frac{7(2)}{2.5(2)}[/tex] = [tex]\frac{14}{5}[/tex]