Answer:
5
Step-by-step explanation:
64 = 4 + 12g
64 - 4 = 12g
60 = 12g
60 / 12 = g
5 = g
g = 5
 
        
             
        
        
        
Answer: 9 people are left at the party
Step-by-step explanation: 
There was originally 8 females and 12 males
8-2 = 6
Twice the males as females
9 men leave which leaves 3 men and 6 women which is twice as many men
Hope this helps!
 
        
             
        
        
        
Answer:
<h3> 
          x₁ = -1,   x₂ = 3</h3>
Step-by-step explanation:

 
        
             
        
        
        
Answer:
49x² + 42x + 9
Step-by-step explanation:
Given
(7x + 3)²
= (7x + 3)(7x + 3)
Each term in the second factor is multiplied by each term in the first factor, that is
7x(7x + 3) + 3(7x + 3) ← distribute both parenthesis
= 49x² + 21x + 21x + 9 ← collect like terms
= 49x² + 42x + 9
 
        
                    
             
        
        
        
Answer:
The answer is B) 4
Explanation: 
A negative times a negative equals a positive so options A and C are wrong. 
-12 divided by 1/4 equals -48