Answer: 13 hours
Step-by-step explanation: I divided 60 by 5 to figure out how much she makes a hour and got 12 dollars an hour then I divided 156 by 12  and got the number of hours she worked which was 13
 
        
             
        
        
        
Answer:
 4. 
Step-by-step explanation:
Area = 1/2 * base + height
= 1/2 * 2 * 4
= 4 unit^2.
 
        
             
        
        
        
Answer:
-243
Step-by-step explanation:
(-3) (-3) (-3) (-3) (-3) = - 243

 
        
             
        
        
        
Answer:
x = y = -2
Step-by-step explanation:
Hope this helps 
 
        
                    
             
        
        
        
Answer:
212.85
Step-by-step explanation:
55% =  = 0.55
 = 0.55
55% of 387 = 0.55 × 387 = 212.85