a) The figures are not congruent, but similar. This tells me in order to transform one of the figures, I need to condense the shape and flip it over both horizontally and vertically in order for it to be identical.
b) condensing the figure, flipping horizontally, flipping vertically
c) sorry, not able to think of a second sequence off the top of my head.
The question is asking to choose among the following choices that states the expressions that could be represented in the said phrase and in my further understanding, I would say that the answer would be n.7, I hope you are satisfied with my answer and feel free to ask for more