Answer:
B. is exactly 1 triangle
Step-by-step explanation:
For any given triangle, the sum of the internal angles is
. Thus from the given question, adding the given angles;
30° + 70° + 80° = 
Therefore, only one triangle can be produced with the given measure of angles. This implies that there is exactly one triangle. So that the correct option is B.
Answer:
Step-by-step explanation:
Its x= 30
The answer is plus +3 for slope
Answer:
2.5
Step-by-step explanation:

Thus, constant of proportionality = 2.5
Answer:
(6,0) I think
my memory is rusty on this subject sorry if it's wrong.