An integer is a number and it's opposite.
A negative integer goes to the left of zero on the number line.
An example of a negative integer and it's opposite is: 
negative integer: -10
opposite of the negative integer (the positive integer or additive inverse): 10
        
             
        
        
        
Answer: Feet
Step-by-step explanation:
 
        
                    
             
        
        
        
Please, post the instructions along with your question, and if possible share the question in symbolic form, not in words.
Do you mean Question #5?  By  (2) x cube, do you mean 2x^3?
I strongly suggest that you use lots of parentheses (   ) to show how your numbers are grouped, and not to use " x " to denote multiplication (use " * " for that, please.    
If only you'll clear this up, I'd be happy to help.
I will assume that your post is   2x^3 - 3(9x-5)^2.
Then 2x^3 - 3(81x - 90x + 25).  Does this have any resemblance to what you wanted me to see in your post?
        
             
        
        
        
Answer:
3200
Step-by-step explanation:
Given that:
The initial population of birds  = 100
 = 100
The time duration t = 5 years
Growth rate (r) = (Birth - Death) rate 
= 2 - 1
= 1 / year
∴
using the discrete-time form:





 
        
             
        
        
        
Answer:
4x+12
Step-by-step explanation:
 
