1. The given rectangular equation is  .
.
We substitute  .
.

Divide through by 



2. The given rectangular equation is:

This is the same as:

We use the relation 
This implies that:



3. The given rectangular equation is:

This is the same as:
We use the relation  and
 and 
This implies that:

Divide through by r

 
4. We have 
We substitute  and
 and 
 
This implies that;
 
 
 
5. We have 
We substitute  and
 and 
 
This implies that;
 
 
 
 
        
             
        
        
        
Answer:
Ammm, I think the answer you have is wrong, but what I really think is that the equations you put in are not the right ones because the answer for these is "ugly" (decimals etc...). Want to check your equations?
Step-by-step explanation:
Here is a step by step explanation to your equations (I assumed +3z for the second but you can change it). You can edit it for your equations if you want to.
https://simplisico.com/share/q/QiWKOyN5uYgkSG4iBXOmdG0i
 
        
             
        
        
        
Answer:
here you go..............
 
        
             
        
        
        
Answer:
The answer is 3.75e+7
Step-by-step explanation:
 
        
                    
             
        
        
        
They can travel 110 miles for 5 gallons of gas.
22 • 5 = 110 miles on 5 gallons of gas