Answer:
I think it is right but not sure
 
        
             
        
        
        
Answer:
45 minutes
Step-by-step explanation:
1/2 hour=30 minutes
2/3 of chapter=30 minutes
1/4 of hour=15 minutes
1/3 of chapter=15 minutes
3/4 of hour=45 minutes
3/3 of chapter=45 minutes
 
        
             
        
        
        
Answer:
x² - 4x + 3
Step-by-step explanation:
When multiplying binomials (two terms in an expression), use FOIL. It stands for the first, outside, inside, and last terms in each bracket.
(x−3)(x−1)           Expand with FOIL
= x² - x - 3x + 3      Collect like terms
= x² - 4x + 3