HELP ON GEOMETRY!!! PHOTO ATTACHED

Answer:
HI = 15
Step-by-step explanation:
Since the triangles are similar then the ratios of corresponding sides are equal, that is
[tex]\frac{HI}{TS}[/tex] = [tex]\frac{JI}{RS}[/tex] , substitute values
[tex]\frac{HI}{3}[/tex] = [tex]\frac{25}{5}[/tex] = 5
Multiply both sides by 3
HI = 15