Well the sum is 15+6=21. then you must do 81-21=60. So your answer must be t=60.
        
                    
             
        
        
        
Answer:
B. logarithms of negative number don't exist
 
        
             
        
        
        
Since there are greater costs to farming organically, organic produce is more expensive for consumers. The total cost to produce an organic crop relates directly to the price consumers pay for it.
        
                    
             
        
        
        
Answer:
The equation is y= 1
Step-by-step explanation:
 
        
                    
             
        
        
        
Answer:
22.07 ft & 9.32 ft
Step-by-step explanation:
by sines rule :
20/sin 65° = r/sin 90° = y/sin 25°
r = 20×sin 90°/sin 65° = 20/0.9063
= 22.07 ft
y = 20×sin 25°/sin 65° = 
 20× 0.4226/0.9063
= 9.32 ft