Answer:
5
Step-by-step explanation:
 
        
                    
             
        
        
        
Answer:
Step-by-step explanation:
ACB is an inscribed angle
so ∠ACB = 1/2 mAB
Hence we got 

 
        
                    
             
        
        
        
Answer:
It should take 10 years 
Step-by-step explanation:
In 1 year, if it triples, it should be 15 (population), and so on.
15
45
135
405
1215
3645
10935
32805
98415
295245
 
        
             
        
        
        
Answer:
1 1/2 x 4 1/2 x 5 =  33 3/4