Today 30 pounds would get you $36.57 dollars
        
                    
             
        
        
        
Answer:
Expression is a mathematical phrase which combines, numbers, variables and operators to show the value of something. An equation is a mathematical statement wherein two expressions are set equal to each other. What is it? A sentence fragment, that stands for a single numerical value.
Step-by-step explanation:
That was the step-by-step explanation.  <3 
 
        
                    
             
        
        
        
Answer:
6th week.
Step-by-step explanation:
Each week he is selling 1/2 of the week before so 
In the  3rd week he sells 400
- in the 4th week it will be 200
- in 5th week 100
- in 6th seek 50.
 
        
                    
             
        
        
        
Answer:
The exponent is 5 because a exponent is what the number times itself like 3^2 is 9.
 
        
                    
             
        
        
        
Answer:Diameter is 2 Radii=2r
Step-by-step explanation:Diameter contains 2 sets of radius called Radii