Answer:
21
Step-by-step explanation:
because look, 1+1 = 2 but if u add 2 to 1 u get 21 together.
 
        
                    
             
        
        
        
Answer:
6303
Step-by-step explanation:
 
        
                    
             
        
        
        
Answer:
Then the answer is option a  
a. 0<x  10
10
Step-by-step explanation:
perimeter + height is less than 130 inches.
If height is 60 inches.then perimeter left is 70 inches.
If perimeter was more than 70 inches then perimeter 60 more than the height would be more than 130.
perimeter of rectangle is 
It has two widths and two lengths because that's what rectangles do.
width of base "x"
Then the length is 2.5x
 perimeter = 2 width + 2 length
= 
= 2x + 5x
= 7x
but perimeter can't be more than 70 inches.
So x can't be more than 10 inches because if x was more than 10 inches, then 7x which is perimeter would be more than 70 inches.

7x + 60 ≤ 130
7x ≤ 70
x ≤ 10
Then the answer is option a  
a. 0<x≤10
 
        
             
        
        
        
Answer: 20
Step-by-step explanation:
The base square is 4 x 4, which is 16. That part is easy, but the other part needs more thinking.
We have two more visible full squares, which we can add on to our 16, putting it at 18. But that half squares, we have 4 total have squares. We know that 1/2 + 1/2 = 1
So, 1/2 + 1/2 + 1/2 + 1/2 = 2.
We eventually get 16 (original square) + 2 (two other full squares) + 2 (half squares) resutling in 20.