What is the scale factor of a triangle with a vertex of A(-6, 4) that has been dilated with a center of dilation at the origin so the vertex of its image is A'(-24, 16)?

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What is the rotational symmetry of a wheel

Arectangle with an area of 47 m² is dilated by a factor of 7. what is the area of the dilated rectangle? enter your answer in the box. do not leave your answer as a fraction.