3. definition of supplementary angles
5. defintion of congruency
6. substitution <em>(refer to statements 3 and 5)</em>
1.09, 1.1, 1.9
Hope I helped
Answer:
no solution
Step-by-step explanation:
the equations (lines in the graph)they don't colide meaning they don't have a solution
600 ÷ 12 = 50
Answer: There are<u> 50</u> groups of 12 in 600
The answer to that question will be 3