3-4: Definition of supplementary angles
5: Simplify
        
             
        
        
        
Answer:
£55.25
Step-by-step explanation:
Cost after reduction 
=Cost before sale - Reduction in cost
= 85 - 35% of 85
= 85 - 0.35*85
= 85 - 29.75
= £55.25
 
        
                    
             
        
        
        
Answer:
Step-by-step explanation:
we know that
1) Sheila had 1 gallon of milk
2) she used 1/4 of a gallon of milk ------> 1-1/4-----> 3/4 gallon left
3) she used 1/6 of a gallon of milk------> 3/4-1/6---> (6*3-4*1)/24---> 14/24
14/24-----> 7/12 gallon
 
        
             
        
        
        
Answer:

Step-by-step explanation:

Cancel 4c on both the sides of the equation.

Bring the 2 in the denominator of 11/2 to the left hand side of the equation.

Bring 4 to the right hand side if the equation.


 
        
             
        
        
        
I think 14 is B (idrk) and 15 is definitely C