Answer:
Step-by-step explanation:
Answer:
b)-3
c)17
d)-11
Step-by-step explanation:
4,-7)
-3
Answer:
or 
Step-by-step explanation:
Step 1: Factor left side of equation: 
Step 2: Set factors equal to 0:
or 
Get your answer:
or 
The measure of the supplementary angle is 148 degrees.
Hope this helps!