Please help me on the last one :D

In a school 2/3 of the students study a language of those who study a language 2/5 study french

The vertices of a rectangle are given in the columns of the matrix . if is found to perform a transformation, what are the coordinates of the transformed rectangle? (0, 0), (0, –3), (–3, –3), (–3, 0) (0, 0), (0, 3), (3, 3), (3, 0) (0, 0), (0, 3), (–3, –3), (–3, 0) (0, 0), (0, 3), (–3, 3), (–3, 0)

45% of the trees in a park are apple trees. there are 27 apple trees in the park. how many trees are in the park in all?