Answer:
Cube=150cm^2
Triangular Prism=228ft^2
Step-by-step explanation:
Cube

Triangular prism
Using these formulas

Solving for A

 
        
             
        
        
        
Answer:
x = 1
Step-by-step explanation:
2x + 3y = 20
2x + 3(10-4x) = 20
2x + 30 - 12x = 20
combine like terms
-10x + 30 =  20
         -30      -30
-10x = -10
divide both sides by -10
x = 1
Hope this Helps!!!
 
        
             
        
        
        
option D none of the above
 
        
             
        
        
        
Answer:
work it out it is so easy
Step-by-step explanation:
 
        
             
        
        
        
Answer:
a is 3,2 b is 1,-2 and c is -2,1
Step-by-step explanation:
u take the first number then you just put em together