Answer:
i have no idea
Step-by-step explanation:
Answer:

Step-by-step explanation:
Given
Represent Carlos with y and his brother with x.
Analysing the statement one after the other:
Half of his brother's amount is: 
$2 more: means we add 2 to 
So, we have: 
The above represent Carlos's amount.
So, the expression is:

Answer:
You keep adding 15.
Step-by-step explanation:
5+15=20
20+15=35
35+15=50
50+15=65
Answer:4699990
Step-by-step explanation:
I think I just guessed
First you need to fix the equation in order to graph.
x + y = 3
Subtract x from both sides.
y = -1x + 3
Now graph.
(Whenever there is a variable by itself there is always a 1 in front of it.)
There is a site called desmos that can help↓