Answer:
perimeter = 30 ft
Step-by-step explanation:
13 + 5 + 12 = perimeter = 30 ft
 
        
             
        
        
        
Answer:
720
Step-by-step explanation:
125tablets, 2 of which had broken screens.
multiply 45000 by 2, then divide 125=720
 
        
             
        
        
        
Answer:
14n - 29
Step-by-step explanation:
First you'd distribute in the parentheses by -5. -5 × -2.4n and -5 × 4 which you would get 12 and -20.
Then, bring everything down and combine like terms. 2n + 12n = 14n || -9 - 20 or -9 - (-20) = -29. 14n - 29 is the lowest you can simplify because you can subtract a variable and a constant together.
 
        
             
        
        
        
No. Because it is a negative