32 rose arrangements and 8 tulips arrangements
Neither collinear nor coplanar.
All of the points would have to be on the same line to make them collinear, and they would also have to be on the same plane to make them coplanar. We can see in the diagram that not all of the points are on a line, and that some are at different heights than others.
Y= 18 because vertical angles are congruent.
The answer for this would be negative eight