I’m so confused idk what to do with this

A) 16 mm     B) 44 mm     C) 73 mm     D) 100 mm

A) 1.6 cm     B) 4.4 cm      C) 7.3 cm     D) 10 cm

E) 3/8 in     F) 1 1/2 in     G) 2 5/8 in     H) 3 3/4 in

OR

E) 0.375 in     F) 1.5 in     G) 2.625 in     H) 3.75 in

Easy. Piece of cake :•)

ability to mate mark me brainliest

b is the answer and if you need further with anything message me