Answer:
the answer is 23. even tho it says he had 30 at the time you must subtract 7 because thats what he started with. hope i could help! :D
Step-by-step explanation:
 
        
             
        
        
        
Im assuming you are supposed to factor this problem considering there is no = sign. starting with numbers, you can factor, or divide, both of those numbers by 9. moving on to letters, both terms have a “y” attached to them, so you can take out a y as well. leaving you with the simplified equation being 
9y (2x-3)
 
        
             
        
        
        
Answer:
20 + 8 + 0.1 + 0.09
Step-by-step explanation:
 
        
                    
             
        
        
        
Answer:
44
Step-by-step explanation:
I believe I already explained how to solve this type of equation in the last question I helped you with. So I am just going to explain how to do it the faster way.
Use the equation:
To find the base, add 5.5 and 2.5 together. The sum is 8. Then multiply this times the height, which is 5.5. So 8 x 5.5 = 44