Answer:
90 + 2 = 92
180 - 92 = 88
Angle Q = 88
Step-by-step explanation:
All a triangles, angles should equal to 180.
Answer:
1/2
Step-by-step explanation:
..
Answer:
it is either A OR B
Step-by-step explanation:
A system of linear equations

has:
1. unique solution, when:

;
2. no solutions, when:

;
3. infinitely many solutions, when:

.
According to the part 3 you can create such system:
Graphs (the same line) are shown on the added picture.