The answer is (1,-9) hope this helps
        
                    
             
        
        
        
Answer:
6 = r
Step-by-step explanation:
V =  πr³                Use this equation to find the volume of a hemisphere
πr³                Use this equation to find the volume of a hemisphere
144π =  πr³           Divide both sides by
πr³           Divide both sides by  π
π
216 = r³                 Take the cube root of both sides
6 = r
If this answer is correct, please make me Brainliest!
 
        
             
        
        
        
Answer:
I cannot understand this question
Step-by-step explanation:
I don't know what is in the question
 
        
             
        
        
        
The answer to this question is true
        
             
        
        
        
Answer:
   decrease of 64.3%
Step-by-step explanation:
Percentage change can be calculated from ...
   pct change = ((new value)/(original value) -1) × 100%
   = (50/140 -1) × 100%
   = (-9/14)×100% = -64 2/7% ≈ -64.3%
The price of crude fell about 64.3% in that period.