Highest common factor of 30 and 165

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?

The difference of two numbers is 40. find the numbers if 0.3 parts of one number is equal to 37.5% of the other one.