Answer:
Hey!
Your answer is that John's brother is 12 years old!
Step-by-step explanation:
If in the question it says "2 times" you just multiply the subject by 2
In this case it is 6 x 2 = 12
So his brother is 12 years of age!
HOPE THIS HELPS!!
Answer:
D
Step-by-step explanation:
Answer:
B : -2
Step-by-step explanation:

Answer:
<h2>≠</h2>
Step-by-step explanation:
b≠a
.................
Answer:No
Step-by-step explanation:
it isn't a function because say u make a vertical line right through the sideways parabola (in purple), the line will cross two points from the parabola, if it only crossed through one point then it would be a function