Answer:
1548 lb
Step-by-step explanation:
Let the truck's weight be w.
Then (1/3)w = 516 lb
Solve for the truck's weight by multiplying both sides of this equation by 3:
w = 1548 lb (Answer B)
 
        
             
        
        
        
On the top problem:  Angle A and Angle B are a right angle so it equals 90 degrees.  If Angle B is 50 degrees that makes Angle A 40 degrees.  Angle A and Angle C is a straight line and equals 180 degrees so if Angle A equals 40 degrees that means Angle C equals 140 degrees.
 
        
             
        
        
        
Answer:
y=7
Step-by-step explanation:
-6y= -27-15
-6y= -42
y=7
 
        
                    
             
        
        
        
I also need this too pleaseee huryy