The area of the house is the amount of space on the house.
- The length of the addition is x + 20
- The area of the original house is  
<h3>The length of the addition</h3>
The area of the addition is given as:

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Factorize

Factor out x + 20

The width of the addition is x - 10.
Hence, the length of the addition is x + 20
<h3>The area of the original house</h3>
The dimension of the original house is
x + 20 by x + 10
So, the area is:

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This gives

Hence, the area of the original house is 
Read more about areas at:
brainly.com/question/24487155
 
        
             
        
        
        
Answer:
Line Q is the line with the slope of 0.
Step-by-step explanation:
It does not increase or decrease.
 
        
             
        
        
        
0.25 in a fraction would be 1/4
        
                    
             
        
        
        
9514 1404 393
Answer:
   -140 feet
Step-by-step explanation:
The relation between speed, distance, and time can be written ...
   distance = speed × time
   distance = (28 ft/s)(5 s) = 140 ft
In 28 seconds, the skydiver changed position by 140 feet. Since the direction is presumed to be down (falling), the change in altitude is -140 feet.
 
        
             
        
        
        
B. 6
Explanation: 8(6+4)= 80
 38+ 7(6)= 80