the commutative property was used
i think you answer would be b "omg all the b's xD" I MIGHT BE WRONG THO and if i am in suuuper sorry :/
Answer:
The answer is 
.
Step-by-step explanation:
To solve the inequality, start by solving for the variable 
.
To solve for the variable , subtract 
from both sides. The inequality will look like 
.
Then, divide both sides by 6.5 in order to get the variable by itself. The inequality answer will look like 
.
Answer:
Each car takes about 9 minutes to be washed.
Since (x - 2)° and (2x + 5)° represent a pair of supplementary angles, then their sum must be equal to 180°. Therefore, the two supplementary angles are 57° and 123°.
