Answer:
D
Step-by-step explanation:
D is the correct answer
5
28 = 24x -7y
-24x + 28 = -7y
y = 24/7x + 4
1) and are vertical angles
2) and are created by intersecting lines (definition of vertical angles)
3) and form a linear pair, and form a linear pair
4) and are supplementary, and are supplementary
5)