Hope it helps! Please mark me as Brainliest
 
        
        
        
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Answer: it’s 2.1 
Step-by-step explanation:
Amplitude + y value 3+-0.9=2.1
Your welcome :)
 
        
             
        
        
        
It can be variety of problems but a x and y plot would be ideal demonstration as you need to make a hypothesis of what you think the pattern for it is then use it for each x and y problem through put the plot
        
             
        
        
        
Answer: 4.1736
Step-by-step explanation:
Simply multiply 34.78 and 0.12 together.
Correct me if I am incorrect