I need a conclusion and reason for the following statements.

1. Angle C is supplementary to angle R
Angle D is supplementary to angle R
Conclusion: ?
Reason: ?

2. XY - 9 = ST - 9
Conclusion: ?
Reason: ?

3. Ray CD bisects angle BCR
Conclusion: ?
Reason: ?

4. Segment AB is congruent to segment BC
Segment BC is congruent to segment CD
Segment CD is congruent to segment DE
Conclusion: ?
Reason:?

3 answers

I will be happy to critique your thinking.
(-3,-5) and (5,-1) what ordered pair describes the location of the midpoint if the line segment
find H(-5,5) and I (7,3)