Answer:
Step-by-step explanation:
Given
Midpoint is 
Endpoints are  and
 and 
Mid point of any two point is given by 

and 
So,


Also



Therefore 
 
        
             
        
        
        
Your answer would be (b.) because -2+-3=-5
        
                    
             
        
        
        
Answer:
Total pictures = 84+12 = 96
roll of films = 96 / 24 = 4
she used 4 rolls
 
        
             
        
        
        
The cosine is the ratio of hypotenuse and base. Then the measure of the angle ∠L will be 60°.
<h3>What is trigonometry?</h3>
The connection between the lengths and angles of a triangular shape is the subject of trigonometry.
The right-angle triangle is given below.
The length of the hypotenuse is 16 and the base length is 5. 
Then the measure of the angle ∠L will be 
cos L = 5 / 10
cos L = 1 / 2
       L = cos⁻¹ (1 / 2)
       L = 60°
More about the trigonometry link is given below.
brainly.com/question/22698523
#SPJ1
 
        
             
        
        
        
Answer:
Step-by-step explanation:
A is the correct answer