Answer:
If you are rounding to the nearest tens the smallest number is 45. If you are rounding to the nearest whole number, the smallest number is 49.5
 
        
                    
             
        
        
        
Answer:
Yes. Every unique input has a unique output.
Step-by-step explanation:
Since every input has a different output, therefore it's a function. It's not a function when the input have more than 1 output. When graphing, make sure you take the vertical line test to see whether or not the graph is a function.
 
        
             
        
        
        
Answer:
x = 4y + 28
Step-by-step explanation:
x/4 - 7 = y
+7              +7
x/4 = y + 7
× 4             × 4
x = 4y + 28
 
        
                    
             
        
        
        
Answer:
A. -2, x= -2
Step-by-step explanation:
 
        
                    
             
        
        
        
You need to have the common denominator and once you do see how many times the 1/6cup will go into the 7/8cup which is 5