NEED HELP 5 Questions

Graph the image of this triangle after a dilation with a scale factor of 2 centered at the origin.
Use the polygon tool to graph the triangle.
first image and first question

Graph the image of this figure after a dilation with a scale factor of 2 centered at the origin.
Use the polygon tool to graph the the figure.
second image and second question

Graph the image of this figure after a dilation with a scale factor of 1/2 centered at the origin.
Use the polygon tool to graph the figure.
three image and three question


Graph the image of this figure after a dilation with a scale factor of 2 centered at (-3,1)
Use the polygon tool to graph the dilated figure.
fourth image and fourth question


Graph the image of this figure after a dilation with a scale factor of 1/3 centered at the point (4,-2)
Use the polygon tool to graph the dilated figure.
fiftieth image and fiftieth question