Answer:
12 miles per gallon
Step-by-step explanation:
240/20 = 12
 
        
                    
             
        
        
        
I got u. 
-4n + 9 = -4n + 9
        
                    
             
        
        
        
Answer: Square root 85 units
Step-by-step explanation:
Given: The legs of a right triangle are 6 units and 7 units.
Let h be the hypotenuse of the right triangle.
By Pythagoras theorem of right triangle, we have 

Hence, the  length of the hypotenuse
-  Pythagoras theorem of right triangle says that the square of the hypotenuse  is equal to the sum of the squares of the other two sides.
 
 
        
             
        
        
        
Answer:
C
Step-by-step explanation:
Mean is the average. To find mean, add all the numbers in a data set, then divide by the number of values.
Example: 1,2,3,4,5
Mean: 1+2+3+4+5= 15
Number of values: 5
15/5 = 3
Mean is 3