Answer:
commutative
Step-by-step explanation:
you are typing the same numbers but in different order
_Award brainliest if helped!
if x =2 , 6(2) + 3y = 15
3y = 15-12
y = 1
if x=5, 6(5) + 3 y = 15
3y = -15
y= -5
Answer: 
Step-by-step explanation:
It is important to remember the following:

In this case you can observe in the figure that "x" is an Angle formed by two chords, therefore, you can find its value applying the formula.
Therefore, the value of "x" is this:

5 is 5% of what number?
0.25 :)