Answer:
1. x^2+12x+32
Step-by-step explanation:
(x+8)(x+4)
x(x+4)+8(x+4)
x^2+4x+8x+32
x^2+12x+32
 
        
                    
             
        
        
        
Answer:
Varies directly uses the formula: y/x = k
22/3 = 7.33
105/x = 7.33
105/x (7.33/x) = 7.33(x/7.33)
105/7.33 = x
x = 14.32
 
        
             
        
        
        
Answer:
4 hours
  hours
Step-by-step explanation:
he was gone for 5  hours, he spent
 hours, he spent  an hour driving.
 an hour driving.
5  -
 -  = 4
 = 4 hours at  work.
 hours at  work.
 
        
             
        
        
        
                             |
                             |__x_- 4___________              2x³/2x² =x
   2x² + 2x +3        | 2x³ - 6x² +7x +3
                            - (<span>2x³ +2x² +3x)
</span>                                      -8x² +4x  +3                -8x²/2x² = -4
                                    <span>-(-8x² -8x  -12)
</span>                                              12x +15
(x-4) + (12x +15)/(2x² + 2x +3) 
        
             
        
        
        
Answer:
6.93 cm
Step-by-step explanation:
You have a right triangle (90°), so you do as follow:
If I understand correctly, you are looking for the hypotenuse so
 
That is equal to 