Answer:
1. B||C
2.B||D
4.C||D
Step-by-step explanation:
Substituting 10 in for x, the angle next to line b is
7(10)-5 = 70-5 = 65°.
The angle next to line c is
10(10)+15 = 100+15 = 115°.
The angle next to line d is
12(10)-5 = 120-5 = 115°.
The angle next to line e is
8(10)-25 = 80-25 = 55°.
Hope this helped you!
