S= 15
3s=45
3s/3=45/3
S=15
You have to divide both sides
Answer: Id say B
Step-by-step explanation:
Im pretty sure it is the first one
Just use the definitions and put them in order to explain the problem.m. for instance. why are angles a and b vertical angles? they are adjacent and they are supplementary.
Answer:
Remember the interior and exterior angle add up to 180°.
