Answer:
The simplified expression is:
⇒ 
Step-by-step explanation:
Given expression:

To simplify the given expression.
Solution:
In order to simplify, we will combine the like terms by removing the parenthesis.
We have:
⇒ 
Combining like terms.
⇒ 
⇒ 
In order to combine fractions, we will combine the whole number and the fraction separately.
⇒ 
⇒ 
Thus, the simplified expression is:
⇒ 
Answer:
Angle 1 and angle 4 are congruent because all vertical angles are congruent. Angle 1 and angle 5 are congruent because corresponding angles are congruent. Idk the rest.
Step-by-step explanation:
Well you see, you have 2/8, (fraction) and here is a few others,
These are COMMON. 4/16, 2/8, 6/24, etc....
You multiply the denominator and numerator by the same answer.
Thats how I think I learned it.
A counter example disproves a statement.
The counter example for : the city of Portland is in Oregon would be : the city of Portland is in Maine.
The city named Portland can be found in both states.