Answer:
The slope is -3
Step-by-step explanation:
The formula is y= mx + b
m = slope
b= y intercept
Therefore, the slope is -3
Answer:
down below
Step-by-step explanation:
straight lines are 180 degrees and you have 2 angles on a line. one of which is 72 and the other is unknown. It is solved for below.

your missing degree is 108.
i may not be right, if i'm not i am very sorry.
Answer:
please type out question as unclear to see :)
43 maybe? And if I’m wrong in advance-Sorry