7. A signal can be formed by running different colored flags up a pole, one above the other. Find the number of different signals
consisting of 7 flags that can be made if 3 of the flags are white, 3
are red, and 1 is blue.
A) 15
B) 9
C) 140
D) 35

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.