Answer:
3
Step-by-step explanation:
Triangles add to 180° and there is already 100° shown inside of the triangle (30° plus 70° = 100°). 180° -100° = 80°, which is x. X and y are vertical angles, so y is also 80°. The answer is B.
1+y≥3
1+1≥3 is not true so y=1 is not a solution.
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Answer:
2nd option
Step-by-step explanation:
Graph both equations and find the point where they both intersect. In this case, it's (4,2).