Answer:

Step-by-step explanation:
distance between two points:

we have:
(-4, -6), (3, -7)




so we have:

 
        
                    
             
        
        
        
Using a system of equations, it is found that Peter had $48 at first.
<h3>What is a system of equations?</h3>
A system of equations is when two or more variables are related, and equations are built to find the values of each variable.
In this problem, the variables are:
- Variable x: Peter's money.
- Variable y: Henry's money.
The ratio of peters money to henrys money is 4 : 3, hence:

After Peter spent $12, they had the same amount, hence:
y = x - 12.
Then, replacing in the ratio:


4(x - 12) = 3x
x = 48.
More can be learned about a system of equations at brainly.com/question/24342899
#SPJ1
 
        
             
        
        
        
Answer:
108.4
Step-by-step explanation:
 
        
                    
             
        
        
        
Answer:
-1/5
Step-by-step explanation: