The answer will be C. I hope this helped you! ^^
(180-144)° + 3x + 90° = 180°
36 + 3x + 90° = 180°
x = 18°
For this case we have that by definition:

Indicates an example of the associative property of multiplication.

Similarly, we observe the associative property of multiplication
Answer:
associative property of multiplication
The answer is B.
The mean is the average so, in this case, the average age of the voters. To get the average the person must take 100 random people who voted, as taking any others will not give them the average age.
64
Step-by-step explanation:
total angle is 360 so
360-180-90-26=x
x=64