May I please get help with this. I have tried multiple times but still could not get the correct answers for them. I also need need help creating a new dilation

a)
The longest side length of the original figure is 2units, as seen on the graph.
The longest side length of the final figure will be 2 x 3 =6units. This is so because of the given scale factor of 3.
b)
Longest side length of the final figure = 3 x Longest side length of the original figure.
c)
False.
d)
True