Answer:
1980
Step-by-step explanation:
It’s right, trust me 
 
        
             
        
        
        
Answer:
4/13 hours
Step-by-step explanation:
Total pounds of lasagna = 4 1/3 pounds
Total time taken to cook = 1 1/3 hours
How many hours per pound did it take to cook the lasagna?
Hours per pound of lasagna = Total time taken to cook / Total pounds of lasagna
= 1 1/3 hours ÷ 4 1/3 pounds
= 4/3 ÷ 13/3
= 4/3 × 3/13
= 4/13 hours
It will take 4/13 hours to cook each pound of the lasagna
 
        
             
        
        
        
Step-by-step explanation:
D=M/V
M=D*V
V= M/D
M is mass 
D is Density
V is Volume 
Substitute and solve
 
        
             
        
        
        
Answer:
Step-by-step explanation:
1-4q = -20
-4q = -21
q = 5.25
 
        
             
        
        
        
Answer:
C) x = -2
Step-by-step explanation:
Original equation:

subtract 12 from both sides:

square both sides:

subtract 1 from both sides:

divide both sides by -4:
