Answer: 16
Step-by-step explanation:
 
        
                    
             
        
        
        
Answer:He can bring up 13.8333333333 boxes each trip
Step-by-step explanation:
970-140= 830
830÷60=13.8333333333
 
        
             
        
        
        
Answer:
Step-by-step explanation:
3n+15=75
three times a number is 3n. +15 is 15 more. 
3n+15=75  subtract 15 from both sides to get the 3n alone
3n=60 divide by 3 to get the n by itself
n=20
 
        
             
        
        
        
1. given
2. perpendicular lines makes a right angle
5. definition of complementary angles
sorry bout the others. idk how to word it so hopefully what I gave you helps
 
        
             
        
        
        
Answer:
it increase by 31%
Step-by-step explanation:
1.31-1.00=.31 move the decimal place to the left 31%