Answer:
The brother would be 13
Step-by-step explanation:
14 - 6= 8
There's an 8-year difference
21 - 8= 13
Answer: A and C And B
Step-by-step explanation: (I AM NOT 100% SURE WAIT FOR SOME ELSE JUST IN CASE if you dont uh hope its right)
You want to get the x's on one side and all the other numbers on the other side of the equation.
2x-5x+6=0
2x-5x=-6
-3x=-6
x=2
Answer:

Step-by-step explanation:
<u>Directly Proportion</u>
It's said that y varies directly proportional as x, if:

Where k is a constant of proportionality.
We know that y=7 when x=1/2.
Using the above condition, we can find the value of k:

Solving for k:
k=14
Thus, the equation is:

Answer: x midpoint 6.5 y midpoint -2.5
Step-by-step explanation: