Answer:
71°
Step-by-step explanation:
12/36 = 1/3
inverse cos(1/3) = 70.53 = 71
 
        
             
        
        
        
Answer:
Output would be f(x)
f(x) = x/2
Step-by-step explanation:
 
        
             
        
        
        
Answer:
A and D
 because those are the correct ones :)
 
        
             
        
        
        
The area of the square would be 4/25 here is the work:
Area of an 2d shape: length * width 
For a square it is 2/5 * 2/5
You multiply the two numbers and you should get 4/25. 
If helped mark me the brainiest!!