Answer:
1 and 3, 2 and 4
Step-by-step explanation:
Supplementary angles total to 180° or should form a straight line. 1 and 3, 2 and 4 are vertical angles which equal one another and are not supplementary.
Part A: -2.5
Part B: -1
Part C: 1
Part D: 2.5
each cup cost 1.25 on Tuesday