GEOMETRY Postulates and Proofs

Question:
"Point C is the midpoint of segment AB and B is the midpoint of segment CD. Prove that segment AC is congruent to segment BD."

Convert 16 yards to feet use the conversion rate 3 feet = 1 yard

Problem melissa is her dad build a walkway in their backyard. the walkway will be 54 feet long and 1.5 feet wide. the local hardware store sells tiles which are 1.5 by 1.5 feet and come in boxes of 12. how many boxes of tiles do they need?

Issof claims that the scale factor is 1/2. which statement about his claim is correct