5y=15/2 pls help 100 points?

The transitive property of equality states that: o if a = b, then bra o if a = b, then ac = bc o if a = b and b= c, then a = if a = b and c= c, then a + b = b + c

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

What is the similarity ratio of a cube with volume 729m^3 to a cube with volume 3375 m^3