85 x .15 = 12.75 
85 + 12.75 = 97.75
Answer: Nolan took 97.75 Seconds
        
                    
             
        
        
        
Answer:
Calculus is the branch of mathematics studying the rate of change of quantities (which can be interpreted as slopes of curves) and the length, area, and volume of objects. The chain rule is a formula for the derivative of the composition of two functions in terms of their derivatives.
 
        
             
        
        
        
Answer: B 
Step-by-step explanation:
I just got it right on A P E X
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The answer & explanation for this question is given in the attachment below.