Can someone pls help me

Is trapezoid abdc the result of a dilation of trapezoid mnpq by a scale factor of ? why or why not? yes, because ab and cd are each the lengths mn and qp. yes, because sides ab and cd are parallel to sides mn and qp. no, because ab is the length mn but cd is the length qp. no, because sides ab and cd have different slopes from sides mn and qp.

Find the center and the radius of the circle with the equation: x^2-2x+y^2+4y+1=0?

You earn a 12% commission for every car you sell. how much is your commission if you sell a $23,000 car?