Answer:
Step-by-step explanation:
The set of integers consists of zero ( ), the positive natural numbers ( , , , …), also called whole numbers or counting numbers , and their additive inverses (the negative integers , i.e., −1, −2, −3, …). The set of integers is often denoted by a boldface Z ( ) or blackboard bold mathbb (Unicode U+2124 ℤ) standing for the German word Zahlen ( , numbers ).
-Hope this helps
-GoldenWolfX
 
        
             
        
        
        
Step-by-step explanation:
if pool is like cylinder
area =πr²h
if pool is cuboid
then area =2(lh+bh+lb)
 
        
             
        
        
        
It’s 50 degrees cuz alternate exterior angles
        
             
        
        
        
Substitute the values given. 
-2-3(2) then solve
Your answer should be -8
        
             
        
        
        
Numerical form is an actual number as opposed to a word. 
"Seven" is not numerical form. 
"7" is numerical form.