Answer:
2
Step-by-step explanation:
We are asked to perform the subtraction
x² + xy - 3y² - (5x² - xy + y²) ← distribute the parenthesis by - 1
= x² + xy - 3y² - 5x² + xy - y² ← collect like terms
= (x² - 5x²) + (xy + xy) + (- 3y² - y² )
= - 4x² + 2xy - 4y²
 
        
             
        
        
        
Answer:
1.2 feet long
Step-by-step explanation:
(1/50) * 60 = 1.2
 
        
             
        
        
        
Answer:
24
Step-by-step explanation:
A negative integer times a negative integer is the same as a positive integer times a positive integer, so this would be the same as (8)(3) which is 24.
 
        
             
        
        
        
Step-by-step explanation:
Time          Distance
2                      3
6                      9
10                    15
12                    18