For this case, the first thing we must do is define variables.
We have then:
x: Maggie's age
y: Age of Maggie's brother
We write the system of equations that models the problem.
We have then:

We solve the system of equations.
For this, we use substitution:

From here, we clear the value of x:


Answer:
Maggie is 9 years old
Answer:10 wrong
Step-by-step explanation:
I am smart
Hope it helps :)
Sry but that’s too much which one would you like help on
Answer:
3 (a/3) = a
Step-by-step explanation:
a/3 + a/3 + a/3
3 times a/3
the 3's cancel each other out
A
Keep up the good work! =)
Answer:
(9,-6)
(9,2)
(8,2)
(8,-6)
Step-by-step explanation:
To reflect something over the y axis all you have to do is change the sign of the X coordinate
which means that
(-9,-6) is (9,-6)
The other answers are
(9,2)
(8,2)
(8,-6)