Does the shape of the figure change after rotation?

Rectangle pqrs has length a and width 4b. the x-axis bisects ps and qr what are the coordinates of the vertices

One side of a rectangle is 7 feet shorter than seven times the other side. find the length of the shorter side if we also know that the perimeter of the rectangle is 306 feet.

The vet charges $45 for an office visit and $10 for each vaccination your dog needs. write an eaquation