Answer:
75
Step-by-step explanation:
angle 4 is 75 because it forms a linear pair with angle 1, and 6 is alternate interior with 4 which makes it equal
C. (5, 3)
this point is within the answer area... look below at the graph of both linear inequalities
True
Example: 1.666666...
In that case, place the bar on top of the last 6