The length of a rectangle is 2 m longer than its width. if the perimeter of the rectangle is 40 m , find its area.

Acircle has a diameter will endpoints of (-2,8) and (6, 4). what is the center of the circle

David is spreading mulch on a triangular area of his flower bed. the coordinates of the vertices of the area are (1, 3), (9, 3), and (4, 6). what is the area of the triangle if each square has an area of 3 square feet?

What is the frequency of the sinusoidal graph?