Answer:
Step-by-step explanation:

Answer:
-16s+40
Step-by-step explanation:
57 degrees because vertical angles are the same measure
Answer:
3.50 is the right answer
Step-by-step explanation:
Answer:
<h2>1</h2>
Step-by-step explanation:
Use the Pythagorean theorem:

We have

Substitute:

<em>subtract 9 from both sides</em>

