Answer:

Step-by-step explanation:
Two angles are supplementary when they add up to 180°.
So we know that:

Supplanting we get:

We add up the X's.


Then we send 64 to the other side adding:



And then the 8 goes dividing:


Answer:
20.8
Step-by-step explanation:
hope this helps
Answer:
is the last one
Step-by-step explanation:
the line is dotted and shaded above
Answer:
Most expensive house she can buy is $79,500
Step-by-step explanation:
Answer:
The answer is B; 5 r. 3
Step-by-step explanation: