Answer:
1. (2,1)
2. (6,-1)
3.(-2,3)
3. (-2,3)
Step-by-step explanation:
Each of the answer is consistent system because the lines intersect at one point, which is one solution.
Answer: 11
1. 100-15=85
2. 85/8=10.625
3. 10.625 rounds up to 11