Pllzzz ! i've been trying to figure this out forever..

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)

In the sixth grade 13 out of 20 students have a dog if there are 152 sixth grade students how many of them have a dog

What is the perimeter of a rectangle if the length is 5 and the width is x?