Yand x have a proportional relationship, and y = 28 when x = 21. what is the value of x when y = 42?

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?

Draw a scaled copy of the circle using a scale factor of 2

Which graph has a rate of change of zero