Answer:
a) 8:3, b) no formula is there, c) 30
Step-by-step explanation:
because 200/75=8:3
because there formula being obtained
because 300/24=12.5
 375/12.5=30
 
        
             
        
        
        
Answer:
35.8 deg
Step-by-step explanation:
a/sin A = b/sin B
24/sin x = 39/sin 71.8
sin x = (24 * sin 71.8)/39
sin x = 0.584598
x = sin^-1 0.584598
x = 35.8 deg
 
        
             
        
        
        
Answer:
-6x-10y
Step-by-step explanation:
Multiply -2 by everything in parenthesis 
 
        
             
        
        
        
I hope you can understand what i wrote
 
        
        
        
Answer:
((2^(-2))÷(3^3))^4=
Step-by-step explanation: expand