Answer: the answer is 800(0.766)y 
Step-by-step explanation:
From Edg
 
        
             
        
        
        
Answer:
Step-by-step explanation:
3 +x-3=
+x-3=  - 5x
 - 5x
combine like terms 
3 +
 + = 4
= 4
x -5x = -4x
then combine 4 and -4x
 and -4x
 
        
             
        
        
        
Answer:
A and C
Step-by-step explanation:
Two angles are Adjacent when they have a common side and a common vertex (corner point) and don't overlap.
So <7 and <9 are adjacent to <8.
[If there's any mistake, please inform me]
 
        
             
        
        
        
Answer:
Rational.
Step-by-step explanation:

 
        
             
        
        
        
Area=length times width
area=10.5
length=3.5
10.5=3.5 times width
divide both sides by 3.5
3=width
width=3ft