Which relation is a function?

This is the number of parts out of 100, the numerator of a fraction where the denominator is 100. submit

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.

How can the correlation in the scatter plot graph below best be described? positive correlation negative correlation both positive and negative no correlation