If you are rounding to the nearest tenth then yes
        
             
        
        
        
Answer:
30cm^2
Step-by-step explanation:
area of large rectangle = length x width
= 5 X 9 = 45 cm^2
area of small rectangle = length x width 
= 3 X 5 = 15 cm ^2
45 - 15 = 30cm^2
 
        
             
        
        
        
Answer:
none
Step-by-step explanation:
No choice is correct.
The original expression has 560 x 70, the product of 560 and 70 inside the parentheses.
(560 x 70) ÷ 10 is 10 times smaller than 560 x 70
None of the choices show 560 x 70. They show 560 + 70 and 560 - 70.
Answer: none
 
        
             
        
        
        
Well it depends on what the model is but if it's an IRA or whatever so if you make your own model that's easy