HELP ASAP it’s for a test that we are taking RN HELP

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.

If you prove that ∆wxz is congruent to ∆yzx, which general statement best describes what you have proved?

What is the point of inflection for the function f(x)=2cos4x on the interval (0, pi/2)