Greater than.
yards are a larger unit of measurement, so to convert it there are more millimeters to count the same amount of space.
One way to check if 102 ÷ 6 = 17 is by focusing on the left side of the equation.
102 ÷ 6 can be converted into 
can be simplified, lets start by dividing the numerator and denominator by 2.
\frac{102/2}{6/2} = \frac{51}{3}
= 
can be rewritten as 17.
I think it is c not sure though maybe double check.
Translation : being moved from one place to another
dilation: something gets smaller or bigger / grows
